1.The ellipse with foci (0,±1)(0,\pm1)(0,±1) and major axis length 5\sqrt{5}5 isa.20x2+4y2=520x^2+4y^2=520x2+4y2=5b.36x2+20y2=4536x^2+20y^2=4536x2+20y2=45c.4x2+20y2=54x^2+20y^2=54x2+20y2=5d.20x2+36y2=4520x^2+36y^2=4520x2+36y2=45Login to continueOnly logged in users canattempt or see the solution.
