Question

a square + 1 by a square is equal to 14 to find a + 1 by a

Answer 1

a2+1/a2+2*a*1/a=14+2*a*1/a
(a+1/a)2=16
a+1/a=4
hope it helps u dear

Answer 2

$a { \: }^{2} + 1 = 14 \\ a { \: }^{2} = 14 + 1 = 15 \\ a \: = \sqrt{15}$