Question

$find \: the \: (x - y) \: and \: (x + y) \: when \: x = 10 \: and \: y = \frac{1}{5}$
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Answer 1

Hii its tom85

given

X=10

y = 1/5

x + y = 10+1/5 = 10 + 0.2 = 10.2

x - y = 10 - 1/5 = 10 - 0.2 = 9.8

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hope it may helps you