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Chapter 7 Integrals Ex 7.9 Solutions

Question - 11 : -

Answer - 11 : -

By second fundamentaltheorem of calculus, we obtain

Question - 12 : -

Answer - 12 : -

By second fundamentaltheorem of calculus, we obtain

Question - 13 : -

Answer - 13 : -

By second fundamentaltheorem of calculus, we obtain

Question - 14 : -

Answer - 14 : -

By second fundamentaltheorem of calculus, we obtain

Question - 15 : -

Answer - 15 : -

By second fundamentaltheorem of calculus, we obtain

Question - 16 : -

Answer - 16 : - Let 

Equating the coefficientsof x and constant term, we obtain

A =10 and B = −25

Substituting the valueof I1 in (1), we obtain

Question - 17 : -

Answer - 17 : -

By second fundamentaltheorem of calculus, we obtain

Question - 18 : -

Answer - 18 : -

By second fundamentaltheorem of calculus, we obtain

Question - 19 : -

Answer - 19 : -

By second fundamental theoremof calculus, we obtain

Question - 20 : -

Answer - 20 : -

By second fundamentaltheorem of calculus, we obtain

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