Question

x^4 - 5x^2 + 4 = 0 plz solve the polynomials sum​

Answer 1

Step-by-step explanation:

x^4-5x²+4=0

x^4-x²-4x²+2=0

x²(x²-1)-4(x²-1)=0

(x²-4)(x²-1)=0

x²-4=0

x²=4

x=√4

x=2

or

x²-1=0

x²=1

x=√1

x=1