If n N and (1 – x + x 2 ) n = a 0 + a 1 x + a 2 x 2 + ...... + a 2n x 2n , then a 0 + a 2 + a 4 + ... +a 2n is equal to :

If n N and (1 – x + x 2 ) n = a 0 + a 1 x + a 2 x 2 + ...... + a 2n x 2n , then a 0 + a 2…

Mathematics · JEE Main · NTA Exams — Binomial Theorem And Its Simple Applications

If n \(\epsilon\)N and (1 – x + x²)ⁿ = a₀ + a₁x + a₂x² + ...... + a_2nx²ⁿ, then a₀+ a₂+ a₄+ ... +a_2n is equal to :

(A) 3^ n +1 2

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