Question

X2+(11_x)2=68.5 fine out x value

Answer 1

For equal roots D=b2−4ac=0

⇒[2(m+1)]2−4m(3m+1)=0

⇒m2+2m+1−3m2−m=0

⇒−2m2+m+1=0

⇒2m2−m−1=0⇒(m−1)(m+21)=0

⇒m=1,2−1