simplify:(a+b)^2(a-b)^2
Ishitpanchpal:
plz answer fast tommorow is my exam
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(a+b)^2(a-b)^2
={ (a-b)^2 +4 ab. } {(a+b)^2 -4ab}
={ (a-b)^2 +4 ab. } {(a+b)^2 -4ab}
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(a+b)^2(a-b)^2
= (a+b)(a-b)(a+b)(a-b)
= (a^2-b^2)^2
= a^4 - 2a^2b^2 + b^4
= (a+b)(a-b)(a+b)(a-b)
= (a^2-b^2)^2
= a^4 - 2a^2b^2 + b^4
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