Question

The common roots of equation :x²-2x+1=0
and x² - 4x +3=0​

Answer 1

X² _ 2X +1 =0

X² _ X_X +1= 0

X(X_1) _1(X_1)

X=1,X=1

X² _4X +3=0

X²_3X _X +3 =0

X(X_3) _1(X_3 ) =0

X=1, X=3

COMMON ROOT = 1