(a+2b)⁴ tlong pake cara

(a-2b) ^4 = 2^4(-2b)^0 + 4a^3 . (-2b)^1 + 6a^2 (-2)^2 + 4a ^1 (-2b)^3 + a^0 (-2b)^4 =
a^4 - 8 a^3+ 24a^2b^2 - 32ab^3 + 16 b^4
maaf :( kalo salh
maaf kalo gak faham