Evaluate both sides of the following equations and state whether they are true or fal 15(2)j² = 10(2n-1) i. ii. Σ-1(3n - 2) = j=1 n(3n-1) 2

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Q: zin (sechzy + tanh y) Inlescx + cotxec

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A: I have given the answer in the next step. Hope you understand that

Q: (2b) Let g: R→R be C² and a € R. Use part (a) to show that: g" (a) = lim h→0 g(a+h)-2g(a)+ g(a-h) h²

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