ifIf a+b=1 then proof that a^3+b^3-ab=(a^2-b^2)^2
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Step-by-step explanation:
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Answered by
1
Answer:
Step-by-step explanation:
a^3 + b^3 -ab = [a+b] [ a^2 +b^2 -ab ] -ab
= [ 1 ] [ a^2 +b^2 -ab] - ab
= a^2 +b^2 -ab - a b
= a^2 +b^2 - 2ab
= [a-b]^2
= [a-b]^2 [ 1 ]
= [a-b]^2 [ 1 ]^2
=[a-b]^2[a+b]^2
= [[a-b][a+b]]^2
=[a^2-b^2]^2
mkrishnan:
THANK U
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