Question

Does the polynomial a⁴+4a²+5 have the real zeroes​.

Plz tell me with explanation..​

Answer 1

Answer:

We know,

b^2-4ac

(4a^2)2-4×a^4×5

16a^4-20a^4

-4a^4

D <0

Therefore, the given polynomial does not have real roots.

Answer 2

Answer:

It will have 4 or 2 zeroes because its degree is 4