find the value of K, if the roots of
the quadratic equation 3x²- Kx +48=0
are real and equal.
Answers
Answered by
34
Answer:
IF THE ROOTS ARE EQUAL THEN,
✒SUM OF THE ROOTS = PRODUCT OF THE ROOTS
✒
✒
✒
✒
nirmalathikekar33:
thank u
Answered by
1
Answer:
Since the roots are real and equal, ∴ D = b
2 − 4ac = 0
⇒k
2 – 4×3×3 = 0 (∵ a = 3, b = k, c = 3)
⇒k
2 = 36
⇒k = 6 or −6
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