Find the value of k so that the quadratic equation. 3x2-2kx+12=0 has equal roots
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Heya©®©®©®©®
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For equal roots Descrimnant = 0
Descrimnant = (-2k)² - 4 (3) × (12)
=>
4k² -144 = 0
=>
4 (k² - 36) = 0
=>
k² - 36 = 0
=>
k² = 36
=>
k = 6
OR
k = -6
______________________________
For equal roots Descrimnant = 0
Descrimnant = (-2k)² - 4 (3) × (12)
=>
4k² -144 = 0
=>
4 (k² - 36) = 0
=>
k² - 36 = 0
=>
k² = 36
=>
k = 6
OR
k = -6
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