साइन ए प्लस बी इक्वल टू टू ए बी बाय ए स्क्वायर प्लस बी स्क्वायर
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Answer:
Hi ,
We know the algebraic identity,
a² + b² + 2ab = ( a + b )²
a² + b² = ( a + b )² - 2ab
I hope this helps you.
: )
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