With usual notations, in a `DeltaABC` the value of `prod (r_1 -r)` can be simplified as:

With usual notation in Delta ABC, the numerical value of ((a+b+c)/(r_(1)+r_(2)+r_(3))) ((a)/(r_(1))+(b)/(r_(2))+ (c)/(r_(3))) is

With usual notation in Delta ABC, the numerical value of ((a+b+c)/(r_(1)+r_(2)+r_(3))) ((a)/(r_(1))+(b)/(r _(2))+ (c)/(r_(3))) is

(s)/(r_(1))+(s)/(r_(2))+(s)/(r_(3))-(s)/(r) is equal to (with usual notation in Delta ABC, where Delta is area fo triangle ABC )

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

With usual notation, if in a triangle ABC, a = 3, b = 4 and circumradius R of DeltaABC is minimum & the value of (rR) can be expressed as 6/(sqrtp+1) then p is

With the usual notation np_(r)=272. If r>1 then n+r=