Question

Sole the equation using the general formula: x²–1/x²+1=4/5

Answer 1

Answer:

√-1

Step-by-step explanation:

X^2-1/x2 +1 =4/5

Cross multiply.

4x^2 +4=5x^2 +5

0=x^2+1

X^2= -1

X=√-1