Question

What should be added to a2 + 2ab + b2 to obtain 3ab + b2 ?

Answer 1

Step-by-step explanation:

Sum= 3a+b²

One no. = a²+2ab+b²

= a²+2ab+b² + x=3a+b²

x=3a+b²-a²+2ab+b²

x= 3a-a²-2ab (Answer )

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