write the value of k for which the quadratic equation has real and equal roits .The equation is 9Xsquare +3kx+4=0
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suvam578:
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9xsquare+3x+4 equation had equal and real roots
then,bsquare-4ac=0
Now,(3k)square-4(9)(4)
9(k)square-144=0
9k(k-16)
k=16
hope it helps
then,bsquare-4ac=0
Now,(3k)square-4(9)(4)
9(k)square-144=0
9k(k-16)
k=16
hope it helps
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