If x=-2/3 and y=1/4; find (x+y)+(x-y)
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Answered by
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Answer:
-4/3 is the answer..
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Answered by
3
Answer:
x=-2/3,y=1/4
[x+y]+[x-y]
[-2/3+1/4]+[-2/3-1/4]
=>[-2×4/12+3/12][-2×4/12-3/12]
=>[-8+3/12][-8-3/12[
=>[-5/12][-11/12]
=>[-55/144]
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