Write the value of k for xsquare +4x+k has equal roots
Answers
Answered by
2
Compare ax square+bx+c=0
a=1, b=4, c=k
since roots are equal
b square + 4ac= 0
4 square+4(1)(k)=0
16+4k= 0
4k=-16
k=-4
a=1, b=4, c=k
since roots are equal
b square + 4ac= 0
4 square+4(1)(k)=0
16+4k= 0
4k=-16
k=-4
Similar questions