NCERT Solutions for Class 12 Maths Chapter 9 Differential Equations — Exercise 9.1

ncert class 12 maths chapter 9 Differential Equations

Question 1:4 4 sin( ) 0 d y y dx ✓

exercise 9.1 maths class 12 Chapter 9 Differential Equations

Question 2:y + 5y = 0

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Question 3:4 2 2 3 0 ds d s s dt dt ✔ ✕ ✘ ✖ ✗ ✚ ✛

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Question 4:2 2 2 cos 0 d y dy dx dx ✜ ✢ ✜ ✢ ✣ ✤ ✣ ✤ ✥ ✥

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Question 5:2 2 cos3 sin 3 d y x x dx ✓

Differential Equations Class 12 ncert solutions

Question 6:2 ( ) y + (y) 3 + (y) 4 + y 5 = 0

Question 7:y + 2y + y =

Exercise 9.1 class 12 Math ncert solutions Chapter 9

Question 8:y✂ + y = e x

Determine order and degree (if defined) of differ

Question 9:y + (y✂) 2 + 2y = 0

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Question 10:y + 2y✂ + sin y = 0

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Question 11:The degree of the differential equation 3 2 2 2 sin 1 0 d y dy dy dx dx dx is (A) 3 (B) 2 (C) 1 (D) not defined

Question 12:The order of the differential equation 2 2 2 230 d y dy x y dx dx is (A) 2 (B) 1 (C) 0 (D) not defied