" (iv) "quad (a^(2)-b^(2))c+(b^(2)-c^(2))a

If a, b, c are in G.P. , then show that (i) (a^(2) - b^(2))(b^(2) + c^(2)) = (b^(2) -c^(2)) (a^(2) + b^(2)) (ii) a( b^(2) + c^(2)) = c (a^(2) + b^(2))

In a Delta ABC,2ac sin((A-B+C)/(2)) is equal to (a)a^(2)+b^(2)-c^(2)(b)c^(2)+a^(2)-b^(2)(c)b^(2)-c^(2)-a^(2)(d)c^(2)-a^(2)-b^(2)

If a,b,c are in H.P., then (c^(2)(b-a)^(2)+a^(2)(c-b)^(2))/(b^(2)(a-c)^(2)) =

In triangle ABC,2ac sin((1)/(2)(A-B+C)) is equal to a^(2)+b^(2)-c^(2)(b)c^(2)+a^(2)-b^(2)b^(2)-c^(2)-a^(2)(d)c^(2)-a^(2)-b^(2)

In any ABC ,the value of 2ac sin((A-B+C)/(2)) is (a)a^(2)+b^(2)-c^(2)(b)c^(2)+a^(2)-b^(2)(c)b^(2)-c^(2)-a^(2)(d)c^(2)-a^(2)-b^(2)

Show that (a^(2)+b^(2),c^(2)),(b^(2)+c^(2),a^(2)) ,and (c^(2)+a^(2),b^(2)) are collinear

Factorise : (a^(2)-b^(2))(a+b)+(b^(2)-c^(2))(b+c)+(c^(2)-a^(2))(c+a)

If A = [{:((b+c)^(2),a^(2), a^(2)),(b^(2) , (c+ a)^(2), b^(2)),(c^(2),c^(2) ,(a + b)^(2)):}| , then det A is

In any DeltaABC , prove that (c^(2)-a^(2)+b^(2))tanA=(a^(2)-b^(2)+c^(2))tanB=(b^(2)-c^(2)+a^(2))tanC