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18 Apr 2012 10:22:28 IST

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Engineering Entrance , JEE Main , JEE Advanced , Mathematics , Algebra

f(x)f(1/x)=f(x)+f(1/x) for all x,x not equal to zero....if f(3)= -26,f(4)=??

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kartikAIR1

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Joined: 2 Mar 2012

Posts: 304

18 Apr 2012 11:20:22 IST

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Hi,

The function f(x) = -xⁿ+1

Clearly n = 3

put x = 4

f(4) = -64 + 1 = -63

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