(11) ก So TT/2 71/2 2+ cos x 21/2 2+ cos2 x½/2 die dr VI TT/2 VI s 0 TT/2 ≤ (6√x)" " 3 x½/2 PIN converges (ii), (iii) only. (G) dx Answer

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A:

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A: Given query is to the derivative and dou ke derivative of the expression.

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A: Please see the explanation below

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