Question

Jika a^x = b^y = c^z dan b^2 = ac, maka x =

Answer 1

B^y = a^x
b = a^(x/y)
.
c^z = a^x
c = a^(x/z)

b^2 = a c
{a^(x/y)}^2 = a . a^(x/z)
2(x/y) = 1 + x/z
2x = y + xy/z
2x - xy/z = y
(2xz - xy) = yz
x( 2z - y) = yz
x = yz / (2z - y)

Answer 2