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Pls anyone solve this.Fast i need answer im unable to solve it
let the sides of an equilateral triangle be ‘a’now using using geometrywe get the radius of circumcircle = R=a/v3and radius of incircle = r= a/2v3area of cicumcircle = pi*a^2/3area of incircle = pi*a^2/12the required probability = (area of circumcircle – area of incircle)/area of circumcircleP(E)= (pi*a^2/3-pi*a^2/12)/pi*a^2/3on solving we get P(E)=3/4= lambda1/lambda2so, lambda1+lambda2= 7.......... [ans]
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