Q12. Find the distance between the directrices of the following ellipse: 4x2 + 7y2 = 28Mathematics — NUST Mock 7 — Question 12 of 200A. 14√3 / 3B. 14C. 7√3 / 3D. 14/√5Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →