Question

The value of 5^√log(7 to the base5) -7^√log(5 to the base 7) is
A)log2
B)1
C)0
D)none of these

Answer 1

your question

The value of 5^√log(7 to the base5) -7^√log(5 to the base 7) is

A)log2

B)1

C)0

D)none of these

your Answer

$= 5 { log_{5} ^{7}}^{1 \2} - 7 log_{7}^{5} \\ = put \: 7 = {5}^{t}$

you will get or otherwise see photo

thank you