BITSAT2023MathematicsDifferentiationActual
If y= ( 1+ 2 1- 2 ) , then d y d at = 3 4 is :
Options
- A-2
- B2
- C2
- DNone of these
Correct answer
A. -2
Step-by-step solution
y= 1+ 2 1- 2 y= 2 ^2 2 ^2 = ^2 y= Differentiate w.r.t. ' ', we get: d y d =- cosec ^2 Now, ( dy d )_ = 3 4 =- cosec ^2 ( 3 4 ) =- cosec ^2 ( - 4 )=- cosec ^2 4 =-2