Question:medium
The coefficient of \( x^3 \) in the expansion of \( (1 + x + 2x^2)(1 - 2x)^5 \) is
The coefficient of \( x^3 \) in the expansion of \( (1 + x + 2x^2)(1 - 2x)^5 \) is
Show Hint
Break multiplication into contributions from each term to avoid missing cases.
Updated On: Apr 30, 2026
- \(-20\)
- \(-40\)
- \(-60\)
- \(-80\)
- \(-100\)
Show Solution
The Correct Option is C
Solution and Explanation
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