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The function y=(ax+b)/(x-1)(x-4) has tur...

The function y=`(ax+b)/(x-1)(x-4)` has turning point at P(2,-1) Then find the values of a and b.

A

a=0, b=1

B

a=0,b=-1

C

a=1, b=0

D

a=-1,b=0

Text Solution

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The correct Answer is:
C
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OBJECTIVE RD SHARMA ENGLISH-MAXIMA AND MINIMA -Chapter Test
  1. The range of values of a for which the function f(x)=(a^2-7a+12)cosx...

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  2. If the function f(x) = (2a-3)(x+2 sin3)+(a-1)(sin^4x+cos^4x)+log 2...

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  3. The function y=(ax+b)/(x-1)(x-4) has turning point at P(2,-1) Then fin...

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  4. Find the least value of the expressions 2log(10)x-log(x)0.01, where xg...

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  5. The maximum value of the function f(x) given by f(x)=x(x-1)^2,0ltxlt...

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  6. The least value of a for which the equation 4/(sinx)+1/(1-sinx)=a has ...

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  7. The minimum value of f(x)=e^((x^4-x^3+x^2)) is

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  8. Let f(x)=a/x+x^2dot If it has a maximum at x=-3, then find the value o...

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  9. Find the maximum value of 4sin^(2)x+3cos^(2)x+sin""(x)/(2)+cos""(x)/(2...

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  10. The least value of the f(x) given by f(x)=tan^(-1)x-1/2 logex " in t...

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  11. The slope of the tangent to the curve y=e^x cosx is minimum at x= a,0 ...

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  12. The value of a for which the function f(x)={{:(tan^(-1)a -3x^2" , " ...

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  13. The minimum value of 27^(cos3x)81^(sin3x) is

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  14. If f(x)=(x^2-1)/(x^2+1) . For every real number x , then the minimum v...

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  15. f(x) = |x|+|x-1| +|x-2|, then which one of the following is not correc...

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  16. Write the maximum value of f(x)=(logx)/x , if it exists.

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  17. The function f(x)=2x^(3)-3x^(2)-12x-4 has

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  18. In (-4,4) the function f(x)=int(-10)^x (t^2-4)e^(-4t) dt , has

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  19. On [1,e] the greatest value of x^2logex, is

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  20. If f(x)=(x^2-1)/(x^2+1) . For every real number x , then the minimum v...

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