WHAT WILL BE ADDED TO COMPLETE THE SQUARE of 9a² -12ab
1) -16b²
2)16b²
3)4b²
4)-4b²
please answer thisss and my other question i think it's +16b² BECAUSE OF FORMULA (a-b)² = a²-2ab+b²
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1
Hey mate
You are right +16b^2
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answer for the given problem is given
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