Question

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Answer 1

Answer:

ans is 2

Step-by-step explanation:

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Answer 2

Answer:

Value of 'k' is 3

Step-by-step explanation:

Given that 5 is a root of quadratic equation

So just subtitle x= 5 and equal quadratic equation to zero you will get the value is k

$k {x}^{2} - 14x - 5 = 0$

$k {5}^{2} - 14(5) - 5 = 0$

$25k - 70 - 5 = 0$

$25k = 75$

$= > k = 3$

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