If then d^ 2 y d x^ 2 + x d y d x +y ^ 2 x is equal to
Mathematics · JEE Main · NTA Exams — Limit, Continuity and Differentiability
If 
then \(\frac{d^{2} y}{d x^{2}}+\tan x \frac{d y}{d x}+y \cos ^{2} x\) is equal to
then \(\frac{d^{2} y}{d x^{2}}+\tan x \frac{d y}{d x}+y \cos ^{2} x\) is equal to- –2cosθ
- –2sinθ
- 2cosθ
- 2sinθ
Answer
(D) 2sin θ
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- A function is defined as follows : f(x)= array cc x^ 3 ; & x^ 2 <1 x ; & x^ 2 1 array . The function is
- The product of the lengths of subtangent and subnormal at any point of a curve is
- _ 4 ( - ) (1- 2 ) is
- _ x 0 1 x x(21) is equal to
- The value of _ x 2 ( ( x^ 3 -4 x x^ 3 -8 )^ -1 - ( x+ 2 x x-2 - 2 x - 2 )^ -1 ) is ..
- The function f(x)= ^ -1 ( x+ x) is an increasing function in :
- The diagram shows the graph of the derivative of a function f (x) for 0 f (0) = 0 . Which of the following…
- If y= x+ x+ x+ then dy dx is equal to
More Limit, Continuity and Differentiability questions · Browse all practice questions