The integral of the given function | cos(9x) cos(5x)dx is equal

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Q: n(n+1) 1. pdRecall the triangle numbers, 1, 3, 6, 10...where the nth triangle number tn Show that if...

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Q: II. Solve AABC subject to the given conditions. Round the lengths of sides and measures of the angle...

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Q: Obtain general solution of the D.E. y' + (1/3)y = e*yª A 1/y³ = e* (c – 3y) B 1/y³ = e* (c – 3x) с) ...

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Q: 5. Let f(z) = + cos z. Let C be a simple contour (but not closed) from the initial point 22 + i 21 =...

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Q: A committee has 20 people. In how many ways can a President, Vice-President, and Secretary be chosen...

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Q: z eaz dz 1 6. Evaluate 2ni is a real constant. where C : |z| = 2 described once in the anticlockwise...

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A: 3 inches represents 15 feet.The height of the tree is 120 feet.We have to find the height of the sca...

Q: 3+1 D 1+ 2 D 0+4 = 2+2 = 5+ 1 = 3+4 D 3+3 = 5+0 =

A: Given question is nothing but ordinary addition . that is we have to add two whole numbers.

Q: What is the range of the function shown in the graph below? 12 11 10 2 98 76 1.

A: Range of a function is the output that is the values f(x) for the given values of x .

Q: 19. Given: Parallelogram shown below. Solve for a, b, x and y. 28 42° 70 20 4x° a

A: We know that in a Parallelogram parallel sides are equal in length . therefore a = 20   and  2b = 28...

Q: 3. Show that f(2) = Re(z) is not analytic using the following two methods: Use the Cauchy-Riemann Eq...

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Q: 15. Let {fn} be a sequence on C([a, b]). Assume that fn (x) 2 fn+1(x) for all x E [a, b]. Show that ...

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Q: 4. Graph the following system of equations on the coordinate plane. Then state the solution to the s...

A: Given a system of equations :                                         y + 2 = 2xy - 2x = 3 We have t...

Q: A simple card trick? The magician has a spectator choose a card, memorize it, and return it to the t...

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Q: and v = -3 be column vectors in R?. Let u = -2 -1 (a) Make a sketch that demonstrates that 3 = au + ...

A: Given:- u=1-2 and v=-3-1 column vectors in ℝ2. (a) Make a sketch that demonstrates that 3-2=αu+βv fo...

Q: Solve this one using DLV please. There are exactly two types of people on an island: Knights always...

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Q: 1. Choose a number and apply the following operations to it. Multiply the number by 6, and subtract ...

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Q: Solution of dy/dx + 2xy = y is A. y = ce" B y=ce**-x y = ce y=ce-

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Q: Let 1)" Find sup A and inf A. Provide some explanations how you got their values or why they don't e...

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Q: + k?y = 0 dx2 What type of D.E. is this?

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Q: - а, ь, с € R CER polynor = x° + ax

A: f(x)=x3 +ax2 +bx+c0=-23 +4a-b+c0=-8+4a-2b+c4a-2b+c=8    

Q: 27. Find examples of (2 × 2) matrices A and B such that det (A + B) + det(A) + det(B).

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Q: Out of 32 students in a class 5 said they ride their bike to school. Based on these results how many...

A: Unitary method : It is a method by  first determine the value of single unit and then determine the ...

Q: Consider the following augmented matrix in which ∗denotes an arbitrary number and ■denotes a nonzero...

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Q: au buv u — — су + duv

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Q: Old McDonald has a farm with 30 chickens. The chickens comprise 60% of his farm, and the rest of his...

A: This is a problem of discrete math.

Q: 1. Choose a number and apply the following operations to it. Multiply the number by 15, and subtract...

A: As per Bartleby guidelines i can answer only one question, kindly upload rest questions seprately. T...

Q: The two structural members, one of which is in tension and the other in compression, exert the indic...

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Q: 4. Find the sum and product of (763)g and (147)g. Express your answer as an octal expansion. a) (910...

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Q: If e-x, xe-x are the solutions of y''+ay'+by=0 then, what are the values of a and b.

A: To find- If e-x, xe-x are the solutions of y'' + ay' + by = 0 then, what are the values of a and b.

Q: Find the derivative by the definition of each of the following functions: - + 2x

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Q: Factor 12u - 20. Write your answer as a product with a whole number greater than 1. (0)

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Q: C. Find the slope of the line through the given points. 4. (4b2+ a², a²), (6b2 + a?, 5a?) 5. (2a2-b2...

A: The slope of the line is the measure of its steepness. It is the same as the tanθ, where θ is the an...

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Q: 2 dy + y? = ty %3D dt

A: We have to find the general solution of the given differential equation. We can rewrite the differen...

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Q: If the geometric sequence is {50, -10, 2, ..} (a) the 7th term is . Round answer to four decimal pla...

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Q: Disjoint Set 4. 1. If every element of A is oalso an element of B. If the they have common element I...

A: We know that if two sets are disjoint then they don't have any element in common. Elements of two di...

Q: Question 4 In a concert hall, the ceiling can be described by the plane x + y + z = 30. An audio eng...

A: 1st we will find function to be maximized and its corresponding constraint then will use Lagranges m...

Q: Use the exponential matrix found in problem 5, to find the solution to the fol- lowing initial value...

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Q: 3y(x? - 1)dx + (x? - 8y - 3x)dy = 0 when x = 0 and y = 1 A xy (y - 3) = 4(1 - x²) B y (x² - 4) = 3(1...

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Q: - All are interrelated to each other except precise concise A. С. convention В. D. powerful All are ...

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Q: Obtain general solution of the D.E. y + (1/3)y = e'y A) 1/x = e (c - 3x) B 1/y³ = e* (c - 3x) 1/y = ...

A: The given equation is Bernoulli equation we will solve this by substitution method

Q: notebook Find the surface are of the following prisms Show complete workl! 11. 13 yd 8 yd 5 yd

A: The surface area of a right prism is calculated using the formula: S.A.=Ph+2B, where P is the perime...

Q: QUESTION 13 Let ma and n be integers. By mZ + nZ is meant {a + ba EmZ,bEnZ} of all the sums of an el...

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Q: z eaz dz 1 Evaluate 2ni is a real constant. where C : |2| = 2 described once in the anticlockwise di...

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Q: Find the unknowns a, b, c and d in the following equations: = 4 2

A: We will use knowledge of basic linear algebra and arithmetic to answer this question.

Q: 2. How many solutions are there to the equation X1 + x2 + x3 + x4 + x5 = 18 if a) Each x; is non-neg...

A: The given problem is to find the number of non negative integral solutions for the given equation an...