Question

Which of the following is quadratic equation.
1) 1/x -3 = 5 + 1/2x
2) x^2 - 3x =1/x+1
3) x(x+1) = x^2 +5
4) 1/x+x=3 ​

Answer 1

Answer:

option no 3

Step-by-step explanation:

option number 3 is quadratic equation

Answer 2

Answer:

3

Step-by-step explanation:

quadratic equation is the equation with with degree 2