[JEE Advanced 1982] the sum of the coefficients of 1 x 3x 2 2163 is
The sum of the coefficients of $(1+x-3x^2)^{2163}$ is ____
1 Answer
VAVidaara Admin
✓ Vidaara Team
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· 3d ago
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Answer: $-1$.
Put $x=1$: $(1+1-3)^{2163}=(-1)^{2163}=-1$.
JEE Advanced 1982 · Binomial Theorem — verified solution by the Vidaara Team.
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