1.

IfA_1 , A_2 , A_3 are areas of excircles, A is the area of incircle of a triangle then (1) /( sqrt(A_1)) + (1)/( sqrt(A_2))+ ( 1)/( sqrt(A_3))=

Answer»

`( 1)/(sqrtA) `
` ( 1)/(A) `
` ( 1)/(2sqrtA) `
` ( 1)/(2A) `

ANSWER :A


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