Question

X^4 - 2x^2 - 3=0. solve this using formula:.[ -b±√(b^2_4ac)]/2

Answer 1

Answer:

x=square root of 3 and square root of -1

Step-by-step explanation:

take x power 4=t square

so x square = t

therefore equation is

t square - 2t - 3=0

solve using formula

t = 3 , -1

therefore x=sq root 3 and sq root -1