NCERT Class 12-Mathematics: Exemplar Chapter – 7 Integrals Part 11 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 36:

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Question 37:

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And

On adding Eq. (i) and (ii) , we get

Answer 38:

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Question 39:

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Question 40:

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Question 41:

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Let

Put

Question 42:

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