find (x+y)+(x-y) x=1/10 y=9/5
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Answer:
1/50
Explanation:
(x+y)+(x-y)x=(1/10+9/5)+(1/10-9/5)1/10
The L.C.M. of 10 and 5 is 10.
= (1×1+9×2/10)+(1×1-9×2/10)1/10
=(1+18/10)+(1-18/10)1/10
=(19/10)+(-17/10)1/10
=(19/10-17/10)1/10
=(2/10)1/10
=2/100
=1/50
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