Oblicz:
a)
b)
a) √5^x = 5³√5
(5^1/2)^x = 5 * 5^1/3
5^1/2x = 5^ 4/3
1/2x=4/3 /*2
x=8/3
b)³√3^x=27
3^1/3x=3^3
1/3x=3 /*3
x=9
c)1/3^x=81√3
3^-x = 3^4 * 3^1/3
3^-x = 3^13/3
-x = 13/3 /:(-1)
x=-13/3
d)4^x=8⁴√2
2^2x =2^3 * 2^1/4
2^2x =2^ 13/4
2x =13/4 /*1/2
x=13/8
e)1/5^x =25√5
5^-x = 5^2 * 5^1/2
5^-x = 5^ 5/2
-x = 5/2 /:(-1)
x=-5/2
f)2√2^x =4√8
(2 * 2^1/2)^x = 2^2 * 2^3/2
2^3/2x = 2^7/2
3/2x=7/2 /*2/3
x=7/3
g) √3^x =³√9
3^1/2x = 3^2/3
1/2x=2/3 /*2
x=4/3
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a) √5^x = 5³√5
(5^1/2)^x = 5 * 5^1/3
5^1/2x = 5^ 4/3
1/2x=4/3 /*2
x=8/3
b)³√3^x=27
3^1/3x=3^3
1/3x=3 /*3
x=9
c)1/3^x=81√3
3^-x = 3^4 * 3^1/3
3^-x = 3^13/3
-x = 13/3 /:(-1)
x=-13/3
d)4^x=8⁴√2
2^2x =2^3 * 2^1/4
2^2x =2^ 13/4
2x =13/4 /*1/2
x=13/8
e)1/5^x =25√5
5^-x = 5^2 * 5^1/2
5^-x = 5^ 5/2
-x = 5/2 /:(-1)
x=-5/2
f)2√2^x =4√8
(2 * 2^1/2)^x = 2^2 * 2^3/2
2^3/2x = 2^7/2
3/2x=7/2 /*2/3
x=7/3
g) √3^x =³√9
3^1/2x = 3^2/3
1/2x=2/3 /*2
x=4/3