find the value of m if 3x^2+2mx+4=0 has equal roots
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let roots are s & s
s+s=-2m/3
2s=-2m/3
s=-m/3
s²=4/3
m²/9=4/3
m=2√3
s+s=-2m/3
2s=-2m/3
s=-m/3
s²=4/3
m²/9=4/3
m=2√3
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