Can Someone Please Say Me The Formula of a²and b²
I can't understand it
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Answered by
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Answer:
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Answered by
1
Answer:
a^2+b^2=a^2+2ab+b^2
a^2-b^2=a^2-2ab+b^2
a^2×b^2=(ab)^2
a^2÷b^2=a^2/b^2
Step-by-step explanation:
a^2+b^2=(a+b)^2
SO,(a+b)×(a+b)=a^2+ab+ba+b^2
=a^2+2ab+b^2
a^2-b^2=(a-b)^2
SO,(a-b)×(a+b)=a^2-ab-ba+b^2
=a^2-2ab+b^2
a^2×b^2=(ab)^2
a^2÷b^2=a^2/b^2
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