Question

The factors of [ 1- (10a)²] are *

Answer 1

Answer:

$it \: \: \: is \: \: \: given \: \: \: in \: \: \: the \: \: \: form \\ \\ {x}^{2} - {y}^{2} = (x + y)(x - y) \\ \\ here \: \: \: x = 1 \\ y = 10 \\ \\ = (1 + 10)(1 - 10) \\ \\ = 11 \times 9 \\ \\ = 99$