Question

if a + 1 by a equal to 2 then find a to the power 4 + 1 by a to the power 2

Answer 1

hey mate I don't understand it questions

Answer 2

$\frac{a + 1}{a} = 2 \\ \\ \\ \frac{ {a}^{4} + 1 }{ {a}^{2} } =$

a +1 =2a
a=1


So a^4 +1/ a^2
= 1^4 +1 /1^2
=2/1
=2


$answer \: is \: 2$