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CBSE Class 9 Answered

find the condition that
Asked by | 05 Jun, 2009, 11:15: PM
answered-by-expert Expert Answer

using remainder theoram, xn-yn  is divisible by x+y if

for x+y=0 i.e. x=-y,

f(x,y)= xn-yn=0

xn-(-x)n =0

Above is satified for all even values of n. So  n must be even for given condition to be satisfied.

 

Answered by | 06 Jun, 2009, 12:24: AM

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