If a+b=9 and ab=20 then find the value of a²+b²? || Algebraic Identities || (a+b)²=a²+2ab+b²

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If a+b=9 and ab=20 then find the value of a²+b²?

In this video we will learn how to solve the given problem by using algebraic identity
(a+b)²=a²+2ab+b²
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Thank you sir so much from myself .❤❤❤❤❤❤❤❤❤ Love you dada . now I have understood this maths . very very helpful video for me. We don't know others is helpful but it mine helpful for me. Please don't mind to speak with you in English, because iam trying to learn English speaking.okkk dada . please give me a reply . thank you .the God bless you.❤❤❤❤❤.

BashedAli