Math, asked by ms17374, 10 months ago

FUNCTIONS
5. Iff (x) = cos (log x), then f(x) f(y) - 1/2{f(x/y)+
f(xy)} has the value
2
(a) - 1
(b) 1/2
(c) - 2
(d) none of these

Answers

Answered by sabkadost67

0

Answer:

the correct answer is 1/2

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