JEE Main 202118 Mar, Morning shiftMathematicsMediumBinomial Theorem and Its Simple Applications131× since 2002
Let (1 + x + 2x²)²⁰ = a₀ + a₁x + a₂x² + .... + a₄₀x⁴⁰. Then a₁ + a₃ + a₅ + ..... + a₃₇ is equal to
JEE Main 2021 · 18 Mar, Morning shift · Q2995