• e Evaluate 4dA, where R = [2, 5] × [4, 7].

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A: Explanation of the solution is given below....

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A: Tha above question is answered below

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A: h. Given:

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A: Answer: For the given data,

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A: This question is related to vectors.

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A: We must know the identity: ejx= cos x + j sin x Also, j2= -1

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A: We have to simplify the given number.

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A: In this question, we use the properties of δij. we check the expression is true or false.

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A: Given: Vector is A=3ax-2ay-16az Plane equation is 2x+2y-z+8=0

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A: