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If X=2 and X=3 are roots …

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If X=2 and X=3 are roots of the equation 3x² -2kx +2m=0 find the value of k and m

Posted by Krish Dedha 5 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Gaurav Seth 5 years, 2 months ago

Sum of roots = -( coeff.of x)/coeff.of x^2
2+3 = -(-2k)/3
5 = 2k/3
2k = 15
k = 15/2

Product of roots = constant term/ coeff.of x^2

2×3 = 2m/3
6 = 2m/3
m = 6 × 3/2 = 9

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CBSE > Class 10 > Mathematics