Question

Factorize, completely each of the following expression
1-4h^2

Answer 1

(1 + 2h)(1 - 2h)

Explanation:

`1 - 4h^2 = 1 ^2 - (2h)^2`

`=(1 - 2h)(1 + 2h)`
`[ \ a^2 - b^2 = (a - b)(a+b) \ ]`