Question

If the sum of the zeroes of the quadratic polynomial 3 ------- ^2 - -- -- + 6 is 3 then what is the value of ' -----'

Answer 1

In a general quadratic equation of form ax

2

+bx+c=0, sum of roots are by

a

−b

.

In the given quadratic equation, 3x

2

−kx+6=0

a=3,b=−k,c=6

Sum of roots =

a

−b

=

3

−(−k)

=

3

k

and sum of roots is given 3

⇒

3

k

=3

⇒

k=9

Answer 2

Answer:

k=9

Step-by-step explanation:

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