Find k if roots of the equation (k+3)x2-2(k+2)x+k=0 are in the ratio 2:5
Answers
Answered by
0
2.5.3.4.6.7.7.7.8.8.8.7..
Step-by-step explanation:
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Answered by
0
Answer:
k = -2
Step-by-step explanation:
(k+3)x2-2(k+2)x+k = 0
2k+6-2kx-4x+k = 0
3k+6-2kx-4x = 0
-2kx-4x+3k+6 = 0
-2x(k+2)+3(k+2) = 0
(k+2) (-2x+3) = 0
k = -2
x = 3/2
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