How 1/2 * length of major axis =1/2 a. It should be only a ri8? Like 1/2 * 2a = a?

How 1/2 * length of major axis =1/2 a. It should be only a ri8? Like 1/2 * 2a = a? FRiENDi mobilee 1 0:43 A M Lalit Mehra posted 24/10/11 Letthe equationofthe ellipse be-E— + — — Suppose the eccentricity of the ellipseis e. .•.b =a (I—e Length of thelatusrectum = — Lengthof them ajor axis = 2n Given, Lengthof the latusrectum = — x Length of th' . 2b2 —1 2a2(l-e2) (Using(l))