Question

factorise 3a^3 b - 243 ab^3

Answer 1

$\textbf{Answer :}$

Now, 3a³b - 243ab³

= 3ab (a² - 81b²)

= 3ab {(a)² - (9b)²}

= 3ab (a + 9b) (a - 9b),

which is the required factorization.

#$\textbf{MarkAsBrainliest}$

Answer 2

Answer:= 3ab (a² - 81b²)

= 3ab {(a)² - (9b)²}

= 3ab (a + 9b) (a - 9b)

Step-by-step explanation: