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# NCERT Solutions for Class 12 Maths Continuity and Differentiability

Hi Students, Welcome to Amans Maths Blogs (AMB). In this post, you will get the NCERT Solutions for Class 12 Maths Continuity and Differentiability Exercise 5.7.

CBSE Class 12th is an important school class in your life as you take some serious decision about your career. And out of all subjects, Maths is an important and core subjects. So CBSE NCERT Solutions for Class 12th Maths is major role in your exam preparation as it has detailed chapter wise solutions for all exercise. This NCERT Solutions can be downloaded in PDF file. The downloading link is given at last.

NCERT Solutions for Class 12 Maths are not only the solutions of Maths exercise but it builds your foundation of other important subjects. Getting knowledge of depth concept of CBSE Class 12th Maths like Algebra, Calculus, Trigonometry, Coordinate Geometry help you to understand the concept of Physics and Physical Chemistry.

As we know that all the schools affiliated from CBSE follow the NCERT books for all subjects. You can check the CBSE NCERT Syllabus. Thus, NCERT Solutions helps the students to solve the exercise questions as given in NCERT Books.

## NCERT Solutions for Class 12 Maths Continuity and Differentiability Exercise 5.7

Find the second order derivatives of the functions given in Exercises 1 to 10.

NCERT Solutions for Class 12 Maths Continuity and Differentiability Exercise 5.7: Ques No 1.

x2 + 3x + 2

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NCERT Solutions for Class 12 Maths Continuity and Differentiability Exercise 5.7: Ques No 2.

x20

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NCERT Solutions for Class 12 Maths Continuity and Differentiability Exercise 5.7: Ques No 3.

x . cos x

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NCERT Solutions for Class 12 Maths Continuity and Differentiability Exercise 5.7: Ques No 4.

log x

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NCERT Solutions for Class 12 Maths Continuity and Differentiability Exercise 5.7: Ques No 5.

x3 log x

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NCERT Solutions for Class 12 Maths Continuity and Differentiability Exercise 5.7: Ques No 6.

ex sin 5x

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NCERT Solutions for Class 12 Maths Continuity and Differentiability Exercise 5.7: Ques No 7.

e6x cos 3x

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NCERT Solutions for Class 12 Maths Continuity and Differentiability Exercise 5.7: Ques No 8.

tan–1 x

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NCERT Solutions for Class 12 Maths Continuity and Differentiability Exercise 5.7: Ques No 9.

log (log x)

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NCERT Solutions for Class 12 Maths Continuity and Differentiability Exercise 5.7: Ques No 10.

sin (log x)

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NCERT Solutions for Class 12 Maths Continuity and Differentiability Exercise 5.7: Ques No 11.

If y = 5 cos x – 3 sin x, prove that

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NCERT Solutions for Class 12 Maths Continuity and Differentiability Exercise 5.7: Ques No 12.

If y = cos–1 x, Find  in terms of y alone

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NCERT Solutions for Class 12 Maths Continuity and Differentiability Exercise 5.7: Ques No 13.

If y = 3 cos (log x) + 4 sin (log x), show that x2 y2 + xy1 + y = 0

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NCERT Solutions for Class 12 Maths Continuity and Differentiability Exercise 5.7: Ques No 14.

If y = Aemx + Benx, show that

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NCERT Solutions for Class 12 Maths Continuity and Differentiability Exercise 5.7: Ques No 15.

If y = 500e7x + 600e– 7x, show that

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NCERT Solutions for Class 12 Maths Continuity and Differentiability Exercise 5.7: Ques No 16.

If ey (x + 1) = 1, show that

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NCERT Solutions for Class 12 Maths Continuity and Differentiability Exercise 5.7: Ques No 17.

If y = (tan–1 x)2, show that (x2 + 1)2 y2 + 2x (x2 + 1) y1 = 2

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