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12 November, 06:58

Evaluate a2+ab-b2+5 when a=2andb=3

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  1. 12 November, 10:46
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    The answer is - 1. it is uneven, the steps are 2x2=4+3x2=10 Then 3x2=6+5=11 So, 10-11 = - 1
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