Math, asked by ishitvavjoshi, 4 months ago

If ½ is a root of the equation x2+kx −5/4=0 , then the value of k is ​

Answers

Answered by akilanroopesh03067
2

Answer:

5/2 is k value

Step-by-step explanation:

substitute 1/2 in x value

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Answered by RubbinGuru
3

Answer:

Answer:K=2

Explanation:

It must satisfy the quadratic equation.

x2 + kx - 5454 = 0

(12)2(12)2 + k(12)(12)- 5454 = 0

1414 + k2k2- 5454 = 0

1+2k−541+2k−54 = 0

2k - 4 = 0

k = 2.

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