Question

the number of dissimilar terms in the expansion of (1-3x+3x²-x³)²⁰​

Answer 1

Answer:

(1 – 3x + 3x2 – x3)20 = [(1 – x)3 ]20 = (1 – x)60 Therefore number of dissimilar terms in the expansion of (1 – 3x + 3x2 – x3)20 is 61....