Question

If a = 1 by a - 5 where a is not equal to 5 and a is not equal to 0 find the value of a - 1 by a .​

Answer 1

Answer:

$a = \frac{1}{a - 5} \\ = > a(a - 5) = 1 \\ = > {a}^{2} - 5a - 1 = 0$

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