Question

expand the following​

Answer 1

Answer:

9/4a^5-b^4

Step-by-step explanation:

the given expression is in the form of (a+b)(a-b).

so (a+b)(a-b)=a^2-b^2

so,

=(3/2a^3)^2-(b^2)^2

=9/4a^5-b^4

Answer 2

Answer:

(3a cube/2)-b square

Step-by-step explanation:

Formula=(a+b)(a-b)

[(3acube/2)+b square]-[(3a cube/2)-b square]

Hope,I'll help you...