Question

If 5
^x−2 = 625 and 7
^+ 2 =343 then find the value of y/x-x/y​

Answer 1

Answer:

Here you are my friend hope this will help you!

343 = 7^3

49 = 7^2

7^(x+y) = 7^3

7^(x-y) = 7^2

x+y = 3

x-y = 2

Add and solve for "x"::

2x = 5

x = 5/2

y = x - 2 = (5/2)-2 = 1/2

Step-by-step explanation:

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