Hi

Is the answer D?

It is B.

I got it, first find value of K from the given equation, two values are 3±sq.rt5/2

Then substitute these values in the two equations , k^2+1/k^3 is bigger in both cases.

Hi

Is the answer D?

It is B.

Then substitute these values in the two equations , k^2+1/k^3 is bigger in both cases.