If \(\frac{a}{b}\) = \(\frac{c}{d}\) = k, find the value of \(\frac{3a^2 - ac + c^2}{3b^2 - bd + d^2}\) in terms of k
At what points does the straight line y = 2x + 1 intersect the curve y = \(2x^2\) + 5x - 1?
