Plzzz solv it fast question ii
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Answered by
33
3^x = 9.3^y
3^x = 3^2.3^y
3^x =3^(y +2)
x = y +2
x - y = 2 ------(1)
again ,
8.2^y = 4^x
2^3.2^y = 2^2x
2^(y +3) = 2^2x
y +3 = 2x
2x - y = 3 ------(2)
equation (1) and (2) solve
x = 1 and y = -1
3^x = 3^2.3^y
3^x =3^(y +2)
x = y +2
x - y = 2 ------(1)
again ,
8.2^y = 4^x
2^3.2^y = 2^2x
2^(y +3) = 2^2x
y +3 = 2x
2x - y = 3 ------(2)
equation (1) and (2) solve
x = 1 and y = -1
Answered by
13
X = y + 2
y + 3 = 2x
Solve. x = 1..... y = -1
y + 3 = 2x
Solve. x = 1..... y = -1
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