Question

If a=1,b=–2,c=3 than find the value of a square+b square +c square +ab+bc+ca

Answer 1

Answer:

a = 1

b= 2, and

c= 3

a sq + b sq + c sq + ab+bc+ca

(1)sq + (2) sq + (3)sq + 1*2 + 2*3 + 3*1

= 1 + 4 + 9 + 2 + 6 +3

=25