solve this equation for y
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plz write in English
rishabh88:
using this equation find the value of y
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3^(x+y)=1
3^(x+y)=3^0
now,
x+y=0
x=-y. ...........(1)
again,
a/q
3^(x-y)=9
3^(-y-y)=3^2. {from equation(1)}
now
-y-y=2
-2y=2
y= -2÷2
y= -1. answer
3^(x+y)=3^0
now,
x+y=0
x=-y. ...........(1)
again,
a/q
3^(x-y)=9
3^(-y-y)=3^2. {from equation(1)}
now
-y-y=2
-2y=2
y= -2÷2
y= -1. answer
answer is - 1
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