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The minimum value of (x-a)(x-b) is...

The minimum value of (x-a)(x-b) is

A

ab

B

`((a-b)^2)/4`

C

0

D

`(-(a-b)^2)/4`

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The correct Answer is:
D
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OBJECTIVE RD SHARMA-MAXIMA AND MINIMA -Exercise
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  13. If a^(2)x^(4) + b^(2)y^(4)=c^(6), then maximum value of xy is

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  14. The function int(-1)^(1)t(e^t-1)(t-1)(t-2)^3(t-3)^tdt has local mini...

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  16. Let a,b,c be positive real parameter and ax^3+ b/x^2gec, AA xepsilonR ...

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  19. If a gt b gt0 then maximum value of (ab(a^2-b^2)sinxcosx)/(a^2sin^2...

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  20. The maximum value of the function f(x)=(1+x)^(0.3)/(1+x^(0.3)) in [0,1...

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