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given the function f(x)= (2017^x+2017^-x)/2 . If f(x+y)+f(x-y) = k f(x)f(y) then k has the value equal to

given the function f(x)= (2017^x+2017^-x)/2 . If f(x+y)+f(x-y) = k f(x)f(y) then k has the value equal to

Grade:12

1 Answers

Deepak Kumar Shringi
askIITians Faculty 4407 Points
4 years ago
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