find the value of k for which 9x^2 -3k +k has equal root
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Hey MATE !
We know that D = b² - 4ac.
Also for the condition of equal roots D = 0.
Therefore,
0 = (-3k)² - 4(9)(k)
0 = 9k² - 36k
9k² = 36 k
k = 36/9
k = 4 Answer.
Hope it helps
Pls mark it brainliest :))
We know that D = b² - 4ac.
Also for the condition of equal roots D = 0.
Therefore,
0 = (-3k)² - 4(9)(k)
0 = 9k² - 36k
9k² = 36 k
k = 36/9
k = 4 Answer.
Hope it helps
Pls mark it brainliest :))
janununun:
are u sure?
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