1.(a,0)(a,0)(a,0) and (b,0)(b,0)(b,0) are centres of two circles in a coaxial system with y-axis as radical axis. If radius of one is rrr, radius of the other isa.(r2+b2−a2)1/2(r^2+b^2-a^2)^{1/2}(r2+b2−a2)1/2b.(r2+b2−a2)1/2(r^2+b^2-a^2)^{1/2}(r2+b2−a2)1/2c.(r2+b2−a2)1/3(r^2+b^2-a^2)^{1/3}(r2+b2−a2)1/3d.(r2+b2+a2)1/3(r^2+b^2+a^2)^{1/3}(r2+b2+a2)1/3Login to continueOnly logged in users canattempt or see the solution.