#### Question

Simplify (a^{2} − b^{2})^{2}

#### Solution

(a^{2} − b^{2})^{2} = (a^{2})^{2} − 2(a^{2}) (b^{2}) + (b^{2})^{2} [(a − b)^{2} = a^{2} − 2ab + b^{2} ]

= a^{4} − 2a^{2}b^{2} + b^{4}

Is there an error in this question or solution?

Solution Simplify (Asquare2 − Bsquare2)Square2 Concept: Applying Identities.