Question
Determine the value of
(0.88)2Solution
Since, (0.88) 2 = (1 – 0.12) 2 And, we know that; (a – b) 2 = a 2 + b 2 – 2ab So, (0.88) 2 = (1 – 0.12) 2 = 1 2 + (0.12) 2 – 2 × 0.12 = 1 + 0.0144 – 0.24 = 0.7744
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