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Using the identity (a + b) (a - b) = (a2 – b2), evaluate the following:(i) 88 × 112(ii) 153 167(iii) 10.8 x 9.2 |
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Answer» Step-by-step EXPLANATION: I.(100-12)(100+12) 10000-144 =9856 ii.(160-7)(160+7) 25600-49 =25551 iii.(10-0.8)(10+0.8) 100-0.64 =99.36 |
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