AP EAMCET2006MathematicsDefinite Integration
If f(x, y)= (x-4 y) (x+4 y) , then . f x |_ y= x 2 is equal to :
Options
- A-1
- B0
- C1
- D2
Correct answer
B. 0
Step-by-step solution
f(x, y)= (x-4 y) (x+4 y) f (x, 2 )= (x-2 ) (x+2 ) = (2 -x) (2 +x) = x x =1 f x =0