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proof (a+b)2=a2+2ab+b2 I class 9 quadratic polynomial I #class9maths #polynomials #salimrajasir

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proof (a+b)2=a2+2ab+b2 I class 9 quadratic polynomial I #class9maths #polynomials #salimrajasir

proof (a+b)2=a2+2ab+b2 I class 9 quadratic polynomial I #class9maths #polynomials #salimrajasir

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