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If lim(xto0)(axe^(x)-blog(1+x))/(x^(2))=...

If `lim_(xto0)(axe^(x)-blog(1+x))/(x^(2))=3` then the values of a, b are respectively

A

2,2

B

1,2

C

2,1

D

2,0

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2015-MULTIPLE CHOICE QUESTIONS
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  2. lim(nto oo)(sqrt1+sqrt2+......+sqrt(n-1))/(nsqrtn)=

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  3. If lim(xto0)(axe^(x)-blog(1+x))/(x^(2))=3 then the values of a, b are ...

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  4. Area of the region bonuded by y=|x|andy=-|x|+2 is

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  5. Let d(n) denote the number of divisors of n inciuding 1 and iteslf . T...

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  6. The trigonometric equation sin^(-1)x=2sin^(-1)2a has a real solution i...

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  7. If 2+i and sqrt5-2i are the roots of the equation (x^(2)+ax+b)(x^(2)+c...

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  8. Let P(x) be a polynomial, which when divided by x-3 and x-5 leaves rem...

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  9. The integrating factor of the differential equation (dy)/(dx)+(3x^(2)t...

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  10. If y=e^(-x)cos2x then which of the following differential equations is...

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  11. Let f(x) denote the fractional part of a real numbers x. Then the valu...

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  12. Let S={(a,b,c)inNxxNxxN:a+b+c=21,aleblec} and T={(a,b,c)inNxxNxxN:a,b,...

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  13. Let y=e^(x^(2)) and y=e^(x^(2))sinx be two given curves. Then the angl...

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  14. A person goes to office by car or scooter or bus or train, probability...

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  15. The value of int((x-2)dx)/({(x-2)^(2)(x+3)^(7)}^(1//3))is

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  16. In a triangle ABC, angleC=90^(@) , r and R are the in-radius and circu...

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  17. Let alpha,beta be two distinct roots of acostheta+bsintheta=c, where a...

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  18. For a matrix A((1,0,0),(2,1,0),(3,2,1)) if U(1),U(2) and U(3) are 3xx1...

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  19. Let f:RtoR be differentiable at x=0. if f(0)=0 and f'(0)=2 , then the ...

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  20. If x and y are digits such that 17!""=3556xy428096000, then x+y equals

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