Question

CHECK WHETHER THE FOLLOWING EQUATIONS ARE QUADRATIC OR NOT:

1) X² - (1/X²) = 3

2) 2(X² + 1) = 5X

3) (5X + 1) (2X + 3) = (10X + 1) (X + 2)

4) X² - 3X - 2√X – 1 = 0

5) (X/2) + (6/X) = 5​

Answer 1

Answer:

2nd 3rd are quadratic equations

Step-by-step explanation:

in 1 it rise to power 4 and in 4 there is quare root

in 5 x has power 1