Question

Solve equations by formula method 2 x square minus 2 root 2 x + 1 is equal to zero

Answer 1

2x^2-2√2x+1
=>a=2,b=-2√2, c=1
=>D=b^2-4ac
=>D=(-2√2)^2-4*2*1
=>D=8-8
=>D= 0
so
x=-b√D/2*a
=-2√2*0/2*2
=0/2
=0
.°.x=0......