l²+m²,m²+n²,n²+l²,2lm+2mn+2n1
Answers
Answered by
0
Answer:
Step-by-step explanation:
l² + m² + m² + n² + n² +l² + 2lm + 2mn + 2nl
= l² + m² + 2lm + m² +n² +2mn + n² +l² +2nl
= (l + m)² + (m + n)² + (n + l)²
Similar questions