JEE MATHEMATICS MCQ: FUNCTIONS

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Application +4 | -1

f\left(2 x^2+\frac{y^2}{8}, 2 x^2-\frac{y^2}{8}\right)=x y

, then the value of

f(60,48)

+f(80,48)+f(13,5)

must be:

View answer and explanation

Correct option: A

112

The correct answer is A (112). The value is obtained by substituting appropriate values of x and y into the given function and summing the results.

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