the coefficient of x^n in the expa. of (1+x+x^2+....)^(-n) is

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Sona Srivastava · Answer

1 + x + x 2 ..... = 1/(1-x) .......infinite gp (1/(1-x)) -n = (1-x) n solve ahead accordingly

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the coefficient of x^n in the expa. of (1+x+x^2+....)^(-n) is

the coefficient of x^n in the expa. of
(1+x+x^2+....)^(-n) is

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the coefficient of x^n in the expa. of (1+x+x^2+....)^(-n) is

the coefficient of x^n in the expa. of (1+x+x^2+....)^(-n) is

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the coefficient of x^n in the expa. of
(1+x+x^2+....)^(-n) is