f ( x ) = \frac { x ^ { 2 } - 25 } { x - 5 } \text { then } f ( 5 ) – InterviewSolution

InterviewSolution

1.

f ( x ) = \frac { x ^ { 2 } - 25 } { x - 5 } \text { then } f ( 5 )

Answer»

f(x) = x²-25/(x-5) = (x+5)(x-5)/(x-5) = (x+5)

so, f(5) = 5+5 = 10.

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