[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
✓ Accepted
· 1mo 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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