If `(a-3)^2+(b-4)^2+(c+5)^2 =0` then find `(a+b-c)/b`

If a^2+b^2+c^2-a b-b c-c a=0, then find the relation between a,b and c

If a^2+b^2+c^2=20 and a+b+c=0 , find a b+b c+c a

If a , b ,c in Ra n da(a+b)+b(b+c)+c(c+a)=0 then a. a=b=c=0 b. a+b+c+=0 c. (a-b)^2+(b-c)^2+(c-a)^2=0 d. a^3+b^3+c^3+3a b c=0

If a^2+b^2+c^2=250 and a b+b c+c a=3 , find a+b+c

If a^2+b^2+c^2=250 and a b+b c+c a=3, find a+b+c

If a^2+b^2+c^2=250 and a b+b c+c a=3, find a+b+c

If a + b + c = 0 and a^(2) + b^(2) + c^(2) = 4, them find the value of a^(4) + b^(4) +c^(4) .

If a^2+b^2+c^2=20\ \ a n d\ a+b+c=0, find a b+b c+c a

If 2160 = 2^(a). 3^(b) . 5^(c ) , find a, b and c. Hence calculate the value of 3^(a) xx 2^(-b) xx 5^(-c ) .

If a+b+c=0 and a^2+b^2+c^2=1, then (a) a b+b c+c a=1/2 (b) a b+b c+c a=-1/2 (c) a^4+b^4+c^4=1/2 (d) a^4+b^4+c^4=3/2