Math, asked by krishrajput4567, 7 months ago

prove that (a+b )^2 =(a^2+b^2+2ab )

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Answered by Anonymous

0

Answer:

This isn't true in general since A and B might not commute. The most that we can say is (A+B)2=(A+B)(A+B)=A2+AB+BA+B2.

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