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f(x) = {(cos""(pix)/(2),",",x gt 0,),("x...

`f(x) = {(cos""(pix)/(2),",",x gt 0,),("x + a",",",x le 0,):}`. Find the values of a if x = 0 is a point of maxima.

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The correct Answer is:
`a ge 1`
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AAKASH SERIES-MAXIMA AND MINIMA -Advanced Analytical Solved Examples
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