Limits and Derivatives

The value of x 0 ( x2 2 xx2- 2 x ) is :

1. 2
2. 3
3. 4
4. 6

Let x 2 ( (x-2) ) (rx2+(p-2)x-2p )(x-2)2=5 for some r, p R. If the set of all possible values of q, such that the roots of the equation rx2-px+q=0 lie in (0, 2), be the interval ( , ], then 4( + ) equals :

1. 11
2. 13
3. 17
4. 21

The product of all possible values of , for which x 0 ( 1- ( x) (( +1)x) (( +2)x) 2(( +1)x) )=2, is :

1. -2
2. 1
3. -1
4. 54

Let f(x)= y 0 (1- (xy)) (xy)y3. Then the number of solutions of the equation f(x)= x, x R is :

1. 0
2. 2
3. 3
4. 1

If x 2 (x3-5x2+ax+b ) ( x-1-1 ) e(x-1)=m, then a+b+m is equal to :

1. 5
2. 6
3. 8
4. 10

The value of x 0 e ( (ex) (e2x) (e10x) )e2 - e2 x is equal to

1. (e10 - 1)2e2(e2 - 1)
2. (e20 - 1)2e2(e2 - 1)
3. (e10 - 1)2(e2 - 1)
4. (e20 - 1)2(e2 - 1)

If the function f(x) = ex (e x - x - 1 ) + e( x + x) - x x - x is continuous at x = 0, then the value of f(0) is equal to

1. 23
2. 12
3. 2
4. 32

If x 0 e(a - 1)x + 2 bx + (c - 2)e-xx x - e(1 + x) = 2, then a2 + b2 + c2 is equal to :

1. 3
2. 5
3. 9
4. 7

Let f : R (0, ) be a twice differentiable function such that f(3) = 18, f'(3) = 0 and f''(3) = 4. Then x 1 e ( f(2 + x)f(3) ) 18(x - 1)2 is equal to :

1. 9
2. 18
3. 1
4. 2

Let f(x) = x3 + x2 f'(1) + 2x f''(2) + f'''(3), x R. Then the value of f'(5) is :

1. 6575
2. 1175
3. 25
4. 625