find the squares using the identify (a+b) ² a) 79² b) 106² step-by-step.
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Answer:
a) 79²
= (80 - 1)²
= 6400 - 160 + 1 = 6241
b) 106²
= (100 + 6)²
= 10000 + 1200 + 36 = 11236
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