Question

the quadratic equation are whose roots are real and equal is : 1) 2x^2-4x+3=0 , 2) x^2-4x+4=0,3) 3x^2-5x+2=0, 4) x^2-2√2x-6=0​

Answer 1

Answer:

2nd option is correct option.

I solved answers in 2 ways one is detailed and other is kinda direct type.

hope your concepts become clear.

hope this answer helps you.