Q86 of 292 Page 569

Mark (√) against the correct answer in the following:

The minimum value of is




⇒ 2x3 = 250


⇒ x3 = 125


⇒ x = 5


Substituting x = 5 in f(x) we get


f(x) = 25+50


f(x) = 75.

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