If g,h,k denote the side of a pedal triangle,then `(g)/(a^(2))+(h)/( b^(2))+(k)/( c^(2))=( a^(2)+ b^(2)+ c^(2))/(lambda abc)` then ` lambda`=?

If g, h, k denotes the side of a pedal triangle, then prove that (g)/(a^(2))+ (h)/(b^(2))+ (k)/(c^(2))=(a^(2)+b^(2) +c^(2))/(2 abc)

If l, m, n denote the side of a pedal triangle, then (l)/(a ^(2))+(m)/(b^(2))+(n)/(c ^(2)) is equal to

If k be the perimeter of the triangle ABC, then b cos^(2)((C)/(2))+ccos^(2)((B)/(2)) is equal to

In a triangle,/_A=55^(@),/_B=15^(@),/_C=110^(@) and (c^(2)-a^(2))/(ab)=lambda then lambda=

If a, b, c are the sides of Delta ABC such that 3^(2a^(2))-2*3^(a^(2)+b^(2)+c^(2))+3^(2b^(2)+2c^(2))=0 , then Triangle ABC is

In triangle ABC if A:B:C=1:2:4," then " (a^(2)-b^(2))(b^(2)-c^(2))(c^(2)-a^(2))=lambda a^(2)b^(2)c^(2) , where lambda= (where notations have their usual meaning)

If O(h,k) is the centroid of the triangle formed by A(0,-3),B(7,2) and C(2,4) , then 3h+2k=?

If a,b,c, are the sides of a triangle ABC such that x^(2)-2(a+b+c)x+3 lambda(ab+bc+ca)=0 has real roots,then (a)lambda (5)/(3)(c)lambda in((4)/(3),(5)/(3)) (d) lambda in((1)/(3),(5)/(3))

If a,b,c are the sides of a triangle ABC such that x^(2)-2(a+b+c)x+3 lambda(ab+bc+ca)=0 has real roots.then

If the angles A,B,C of Delta ABC are in A.P. And its sides a,b,c are in G.P., then a^(2), b^(2), c^(2) are in