Question

the sum of the roots of the equation k^2-9-5k is​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Since the above equation has equal roots

Hence

B

2

−4AC=0

Hence

4(2k−3)

2

−4(5k−6)(k−2)=0

4k

2

−12k+9−(5k

2

−16k+12)=0

−k

2

+4k−3=0

Or

k

2

−4k+3=0

(k−3)(k−1)=0

Hence

k=3 and k=1.