COMEDK2017MathematicsBasics of Mathematics
If y= _ a x+ _ x a+ _ x x+ _ a a , then d y d x is equal to
Options
- A1 x +x a
- Ba x + x a
- C1 x a +x a
- D1 x a - a x( x)²
Correct answer
D. 1 x a - a x( x)²
Step-by-step solution
We have, aligned y &= _ a x+ a x +1+1 [ _ x x=1 ] d y d x &= 1 x _ a e- a ( 1 x )² 1 x = 1 x a - a x( x)² aligned