If one of the roots of the equation 6x^2+kx+6=0, k>0, is square of the other, then find the value of k.

JEE Main Mathematics question

If one of the roots of the equation , , is square of the other, then find the value of .

Answer: 6

Let the roots be and ; the product is , so or (or ). gives the sum

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Question ID VK-014211