Question

${a}^{2} +b {}^{2}$

Answer 1

(a+b)(a-b)=a^2+b^2

hope it helps you

Answer 2

Hii ☺!!




Here is your answer :





a² + b² = ( a + b )² - 2ab [ Answer ]





Verification :



a² + b² = ( a + b )² - 2ab




RHS = ( a + b )² - 2ab



=> a² + b² + 2ab - 2ab


=> a² + b² = LHS.



LHS = RHS.




Hence,

a² + b² = ( a + b )² - 2b.



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