For real a, b and c if a2 + b2 + c2 = ab + bc + ca, then find the value of (a + b + c)2
A. 9a2
B. 81a2
C. 27a2
D. 243a2
Answer:A
For real a, b and c if a2 + b2 + c2 = ab + bc + ca, then find the value of (a + b + c)2
A. 9a2 B. 81a2 C. 27a2 D. 243a2