Mathematics
Use (a - b)2 = a2 - 2ab + b2 to evaluate the following:
(9.8)2
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Answer
(9.8)2 = (10 - 0.2)2
Using (a - b)2 = a2 - 2ab + b2,
(10 - 0.2)2 = (10)2 - 2(10)(0.2) + (0.2)2
= 100 - 4 + 0.04 = 96.04
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Use (a - b)2 = a2 - 2ab + b2 to evaluate the following:
(9.8)2
9 Likes
(9.8)2 = (10 - 0.2)2
Using (a - b)2 = a2 - 2ab + b2,
(10 - 0.2)2 = (10)2 - 2(10)(0.2) + (0.2)2
= 100 - 4 + 0.04 = 96.04
Answered By
6 Likes