If the quadratic equation mx2+2x+m=0 has two equal roots, then find the value of m?
Answers
Answered by
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Answered by
1
Step-by-step explanation:
fortwoequalroots
d=0
b
2
−4ac=0
therefore(2)
2
−4(m)(m)=0
4−4m
2
=0
4=4m
2
m
2
=
4
4
m
2
=1
m=
1
m= 1
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