Solve For B. B+12 2 81
2ab a2 b2 why but maths (a+b)^2=a^2+2ab+b^2 but why? ~ maths tricks and tips
(a+b)^2=a^2+2ab+b^2 But why? ~ Maths Tricks and Tips
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2ab a2 b2 why but maths (a+b)^2=a^2+2ab+b^2 but why? ~ maths tricks and tips
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