Question

X⁴+2x²4²=a⁴
Which is the answer?

Answer 1

Step-by-step explanation:

(x^2 + 1)^2 + 7 = a^4

(x^2 + 1)^2= a^4 - 7

x^2 + 1 = sqrt(a^4 - 7)

x^2 = sqrt (a^4 - 7) -1

X = + sqrt ( sqrt(a^4 -7) -1)

Answer 2

Answer: x=[tex]x=\sqrt{x} -6+\sqr