Question

find the value of a square + b square + c square minus ab minus b c minus C A when a =3 b =2 and C = -1​

Answer 1

Answer:

13

Step-by-step explanation:

a square =3×3=9

b square =2×2=4

c square =-1×-1=1

a×b = 3×2= 6

b×c =2×-1 =-2

c×a =-1×3= -3

9+4+1-6-(-2)-(-3) = 14-6+2+3 =14-6+5 = 8+5=13