Question

15. Factorised form of 4a2-9b2 is.​

Answer 1

Answer:

2 a - 2×2a× 3b + 3b

(2a- 3b) ( 2a-3 b )

Answer 2

$\bold{\LARGE{\underline{\underline{Answer:–}}}}$

$4a²\: -\:9b²\:=\:8a\: -\:18b$

.

_______________________

$\bold{\LARGE{\underline{\underline{Explanation:–}}}}$

$4a² \: -\:9b²$

$=>\:8a\: -\:9^2b$

$=>\:8a\: -\:18b$

.

$Therefore, \:the\: Factorised \:form\: of\: 4a²\: - 9b²\: is\: =\: 8a\: - \:18b$