Question

Factorise the following expression :
48a²b - 243b³​

Answer 1

Answer:

48a^2b-243b^3

=3b(16a^2-81b^2)

=3b{(4a) ^2-(9b) ^2}

=3b(4a+9b)(4a-9b)

Step-by-step explanation:

x^2-y^2=(x+y)(x-y)

Answer 2

refer to the attachment