The sum of all the coefficients in the binomi | vedclass

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(C) To find the sum of all coefficients in a polynomial expansion $P(x)$,we substitute $x = 1$ into the expression.Given the expression $P(x) = (x^2 +

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$-1$

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(C) To find the sum of all coefficients in a polynomial expansion $P(x)$,we substitute $x = 1$ into the expression.Given the expression $P(x) = (x^2 + x - 3)^{319}$.Substituting $x = 1$:$P(1) = (1^2 + 1 - 3)^{319}$$P(1) = (1 + 1 - 3)^{319}$$P(1) = (-1)^{319}$Since $319$ is an odd integer,$(-1)^{319} = -1$.Therefore,the sum of all coefficients is $-1$.

The sum of all the coefficients in the binomial expansion of $(x^2 + x - 3)^{319}$ is

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