If `8a^2 + 50b^2 + 98 c^2 - 20ab-70bc -28ac = 0` then show that ` 2a = 5b = 7c`

If a = 24, b = 26, c = 28 , then the value of a^2 + b^2 + c^2 - ab - bc - ac will be

If a^(2)+b^(2)+c^(2)-ab-bc-ca=0, then a+b=c( b) b+c=ac+a=b(d)a=b=c

If a, b and c are distinct positive real numbers such that Delta_(1) = |(a,b,c),(b,c,a),(c,a,b)| and Delta_(2) = |(bc - a^2, ac -b^2, ab - c^2),(ac - b^2, ab - c^2, bc -a^2),(ab -c^2, bc - a^2, ac - b^2)| , then

(a+b+c)(a^(2)+b^(2)+c^(2)-ab-bc-ac)

if a^(2)+b^(2)+c^(2)=20 and a+b+c=0 then find ab+bc+ca

| [-bc, b ^ (2) + bc, c ^ (2) + bca ^ (2) + ac, -ac, c ^ (2) + aca ^ (2) + ab, b ^ (2) + ab, -ab (ab + bc + ac), is = 64. then

If a^2+b^2+c^2=ab+bc+ac then the value of (a+c)/b is:- यदि a^2+b^2+c^2=ab+bc+ac हो, तो (a+c)/b का मान क्या होगा ?