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Using the formula for squaring a binomial, evaluate the following:(i) (102)2(ii) (99)2 |
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Answer» (i) (102)2 So, = (102)2 = (100 + 2)2 = (100)2 + 2 (100) (2) + 22 = 10000 + 400 + 4 = 10404 (ii) (99)2 So, = (99)2 = (100 – 1)2 = (100)2 – 2 (100) (1) + 12 = 10000 – 200 + 1 = 9801 |
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