x=-1/3, y=2/7 by taking x*y=y*x
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Step-by-step explanation:
Given ,
x= -1/3
y=2/7
By taking x×y=y×x
= -1/2×2/7=2/7×-1/2
=-2/21=-2/21
so, L.H.S.=R.H.S
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