Question

. If X1 and x2are the roots of the
equation 2x^2 + kx - 3 = 0 and
X1 + x2 = 1 then k=?​

Answer 1

Answer:

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Step-by-step explanation:

Since x

1

and x

2

are the roots of quadratic x

2

−kx+c=0

Thus x

1

+x

2

=k and x

1

x

2

=c

Hence, AB =

(x

1

−x

2

)

2

=

(x

1

+x

2

)

2

−4x

1

x

2

=

k

2

−4c