if the roots of the equation are equal find the value of k
Answers
Answered by
0
Answer:ind the value of k for which the equation 3x^2+10x+k=0 has equal roots ... If the expression under the square root is equal to zero, then the square root gives
Step-by-step explanation:
lamia123saleem:
wer is the naswer?
Answered by
3
3x²-2kx-4=0
since,roots are real
b²-4ac=0 (since D=b²-4ac)
(-2k)²-4×(3×4)=0
4k²-48=0
4k²=48
k²=12
k=√12
k=2√3
i hope you will understand....
mark it as best answer
since,roots are real
b²-4ac=0 (since D=b²-4ac)
(-2k)²-4×(3×4)=0
4k²-48=0
4k²=48
k²=12
k=√12
k=2√3
i hope you will understand....
mark it as best answer
Similar questions
Political Science,
6 months ago
Computer Science,
6 months ago
English,
1 year ago
French,
1 year ago
English,
1 year ago