4x45x210 4x45x210SolutionDear student Thank you for using ch

Solution

Dear student

Thank you for using chegg !!

4x^4 + 5x^2 + 1 = 0

Let x^2 = k

4k^2 + 5k + 1 = 0

4k^2 + 4k + k + 1 = 0

4k (k + 1) + 1(k + 1) = 0

(4k + 1)(k + 1) = 0

K = -1, -1/4

X^2 = -1, -1/4

X = I,-i , -1/2 I , 1/2 I

Solution