1.

A: In a DeltaABC,(1-r_1/r_2)(1-r_1/r_2)=2 then the triangle is right angled. R: In a DeltaABC,r_1r_2+r_2r_3+r_3r_1=2r^2

Answer»

A is TRUE, R is true and R is correct EXPLANATION of A
A is true, R is true and R is not correct explanation of A
A is true, R is false
A is false, R is true

Answer :C


Discussion

No Comment Found

Related InterviewSolutions