If 2x=5y=40z prove that 1/z=3/x+1/y
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Let, == = k
Therefore, = k, 2 =
= k, 5 =
= k, 10 =
Therefore,
5*2 = 10
or, * =
or, =
or, 1/x + 1/y = 1/z (proved) [If bases are equal then powers are also equal]
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