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Let (1+x2)2(1+x)n=n+4∑k=0akxk. The a1,a2 and a3 are in A.P, then the possible values of n is/are

Answer»

Let (1+x2)2(1+x)n=n+4k=0akxk.
The a1,a2 and a3 are in A.P, then the possible values of n is/are



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