Question

if a-1/a=3 then what is the value of a4+1/a4​

Answer 1

Answer:

$\frac{a - 1}{a} = 3$

$a - 1 = 3a$

$- 1 = 3a - a$

$- 1 = 2a$

$a = - \frac{1}{2}$

$\frac{ {a}^{4} + 1}{ {a}^{4} }$

$1 + \frac{1}{ {a}^{4} }$

$1 + \frac{1}{ {( - \frac{1}{2}) }^{4} }$

$1 + \frac{1}{ (\frac{1}{16}) }$

$1 + 16$

$17$

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