Question

if a=√5+2√6 then 1+a⁴/a² =
(A)4√6
(B)10
(C)5
(D)2√6​

Answer 1

Step-by-step explanation:

1+a^2

=1+(✓5+2√6)^2

=1+5+2×✓5×2√6+4×6

=1+5+24+4✓30

=30+4✓30

Answer 2

correct answer is 10. I came for explaination too but there is none so