Asked by Eliza
Show that
8^x =square root 2
5^x=1/square root 25 (3)
8^x =square root 2
5^x=1/square root 25 (3)
Answers
Answered by
Steve
If you mean solve for x, then
8^x = √2
(2^3)^x = 2^(1/2)
2^(3x) = 2^(1/2)
3x = 1/2
x = 1/6
5^x = 1/√25
5^x = 1/5
5^x = 5^(-1)
x = -1
don't know what the (3) means
8^x = √2
(2^3)^x = 2^(1/2)
2^(3x) = 2^(1/2)
3x = 1/2
x = 1/6
5^x = 1/√25
5^x = 1/5
5^x = 5^(-1)
x = -1
don't know what the (3) means
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