if 1/x+1/y=1/4 and 1/x-1/y=3/4 then x=
A 1/4
B 1/2
C 2
D 4
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(1/x)+(1/y)=1/4........(1)
(1/x)-(1/y)=3/4........(2)
By adding (1) and (2)
(2/x)=(4/4)
x=2
(1/x)-(1/y)=3/4........(2)
By adding (1) and (2)
(2/x)=(4/4)
x=2
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