Hello Mates
please answer question no.11
i will mark u as brainliest answer
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let 1/x+y=a , 1/x-y= b
6a-7b=3......(.1)
a/2-b/3=0
= 3a-2b=0.....(.2)
eq 1 and 2 we get
(6a-7b=3)3
(3a-2b=0)6
= 18a-21b=9
18a-12b=0
- + -
-9b=9
b=-1.....(.3)
6a-7(-1)=3
6a+7=3
6a=-4
a=-2/3
put in upper eq
we get the x&y
6a-7b=3......(.1)
a/2-b/3=0
= 3a-2b=0.....(.2)
eq 1 and 2 we get
(6a-7b=3)3
(3a-2b=0)6
= 18a-21b=9
18a-12b=0
- + -
-9b=9
b=-1.....(.3)
6a-7(-1)=3
6a+7=3
6a=-4
a=-2/3
put in upper eq
we get the x&y
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