# If one zero of th

Let the first root be a.

So the second root as per the question is 1/a.

Product of zeroes = a × 1/a

= 1

When we compare the above quadratic equation with the generalized one we get,

ax2 + bx + c = 0

a = 5, b = 13, c = k

Product of zeroes = c / a

k/5 = 1

Therefore k = 5

So the correct answer is C [5].

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