If 2^x+y=2^x-y=√8 find the value of y
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Answer:
2power x+y= √8
=> 2power x+y=2power 3/2
=> x+y=3/2 [1]
=>2power x-y=2power 3/2
=>x-y=3/2 [2]
Add both eq.=
=>2x=6/2
=>x=3/2
In eq. 1=
=>3/2+y=3/2
=>y=0
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