the sum of the roots of the quadratic equation 6x2 -13x-15 =0 a) -5/6 b) -13/6 c) 13/6 d) 5/6
Answers
Answered by
1
Answer:
Sum of roots of quadratic equation is given by the formula :
-b/a where b and a are coefficients of x and x&2 respectively.
sum=-b/a=-(-13)/6=13/6
option c . is the correct answer.
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Answered by
0
Answer:
(c)
Step-by-step explanation:
For finding roots :-
6x^2 - 13x - 15 = 0
=> 6x^2 - 18x + 5x - 15 = 0
=> 6x (x - 3) + 5 (x - 3) = 0
=> (6x + 5)(x - 3) = 0
=> 6x + 5 = 0 OR x - 3 = 0
=> x = -5/6 OR x = 3
Sum of roots = -5/6 + 3 = 13/6
Therefore answer is (c)
PLS MARK IT AS THE BRAINLIEST
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