Question

Using binomial theorem , find (1-2x)^5

Answer 1

Answer:

1 - 10x + 40x² - 80x³ + 80x^4 - 32x^5

Step-by-step explanation:

(1-2x)^5 = 1 - 5(1×2x) + 10{1×(2x)²} - 10{1×(2x)³} + 5{1× (2x)^4} - {(2x)^5}

             =  1 - 10x + 40x² - 80x³ + 80x^4 - 32x^5