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# NCERT Solutions class 12 Maths Exercise 7.8

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## NCERT Solutions class 12 Maths Integrals

Evaluate the following definite integrals as limit of sums:

1.

Ans. We know that

where

Here,  and

=

=

=

=

=

=

=

2.

Ans. We know that

where

Here,  and

=

=

=

=  =

3.

Ans. We know that

where

Here,  and

=

=

=

=  =

4.

Ans. We know that

where

Here,  and

=

=

=

=

=  =

5.

Ans. We know that

where

Here,  and

[ The series within brackets is a G.P. and ]

=

=

6.

Ans. We know that

where

Here,  and

=

=

=

=

=

=

=

## NCERT Solutions class 12 Maths Exercise 7.8

NCERT Solutions Class 12 Maths PDF (Download) Free from myCBSEguide app and myCBSEguide website. Ncert solution class 12 Maths includes text book solutions from both part 1 and part 2. NCERT Solutions for CBSE Class 12 Maths have total 13 chapters. 12 Maths NCERT Solutions in PDF for free Download on our website. Ncert Maths class 12 solutions PDF and Maths ncert class 12 PDF solutions with latest modifications and as per the latest CBSE syllabus are only available in myCBSEguide

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