4. Define f: [0, 1] → R by if x E Qn [0, 1] if x ¢ Qn [0, 1] f(x) = (a) Prove that S° f = 0; s*f = (b) Prove that faf 2 .

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A: Use green's theorem

Q: 2) Use Green's Theorem to compute f F df where F=(3x + 4y)i + 2xyj and C is the triangular path from…

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A: According to our QnA guidelines, I can solve only one question .Please repost other question.

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A: we have to find the partial derivative

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