Question

r and n are positive intesers such that r > 1, 1 > 2 and
coefficients of (r + 2)ᵗʰ term and (3r)ᵗʰ term in the expansion of
(1 + x)²ⁿ are equal, then n equals
(a) 3r (b) 3r + 1 (c) 2r (d) 2r + 1

Answer 1

Answer:

tultjlulayltfasgfjsttwutluyoalulululhsuryeautwlykykyetusluryryyf

Step-by-step explanation:

jhutt bol raha hai kya kar rahi hai aap