Question

$( {a}^{2} b - b {c}^{2} ) {}^{2}$
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Answer 1

Step-by-step explanation:

formula (a-b)^2=a^2+b^2-2a*b

so

(a^2b-bc^2)^2

= (a^2b)^2+(bc^2)-(2*a^2b*bc^2)

=a^4b^2+b^2c^4-2a^2*b^2c^2 (ans)..

Answer 2

Answer below
Look at the picture