In `Delta ABC` with usual notation `r_1/(bc)+r_2/(ca)+r_3/(ab)` is

In Delta ABC with usual notation (r_(1))/(bc)+(r_(2))/(ac)+(r_(3))/(ab) is:

In DeltaABC ,with usual notations r_(1),r_(2),r_(3) are in harmonic progression. If area of Delta ABC is 24 and perimeter is 24 then length of its sides are

In a /_\ABC (with usual notations) if ex-radii r_(1) , r_(2) , r_(3) are in H.P then (a+c)/b is

With usual notation in Delta ABC,(rr_(1))/(r_(2)r_(3)) is equal to

In DeltaABC" prove that " (r_(1))/(bc)+(r_(2))/(ca)+(r_(3))/(ab)=(1)/(r)-(1)/(2R)

In /_\ABC prove that (r_1)/(bc) + (r_2)/(ca) + (r_3)/(ab) = 1/r - 1/(2R) .

In Delta ABC , with usual notation observe the two statements given below Statement -I : r r_1 r_2r_3 =Delta ^(2) Statement -II : r_1r_2+r_2r_3+r_3r_1=s^(2) Which of the following statement is correct

In an equilateral triangle with usual notations the value of (27r^(2)R)/(r_(1)r_(2)r_(3)) is equal to

In an equilateral triangle with usual notations the value of (27r^(2)R)/(r_(1)r_(2)r_(3)) is equal to