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The least natural number a for which x+a...

The least natural number a for which `x+ax^(-2)gt2`,AAx in `(0,oo)` is -

A

1

B

2

C

5

D

None of these

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The correct Answer is:
B
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VK JAISWAL-APPLICATION OF DERIVATIVES -EXERCISE (SUBJECTIVE TYPE PROBLEMS)
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  4. If f (x)= (px)/(e ^(x)) - (x ^(2))/(2) + x is a decreasing function f...

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  5. Let f (x)= {{:( xe ^(ax)"," , x le 0),( x+ ax ^(2)-x ^(3)"," , x gt 0)...

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  15. The least positive integral value of 'k' for which there exists at lea...

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  17. A tank contains 100 litres of fresh water. A solution containing 1 gm/...

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  21. Find the number of real root (s) of the equation ae ^(x) =1+ x + (x ^(...

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