Question

Add:-

L²+M², M²+N², N²+L² and 2Lm + 2mn +2nl​

Answer 1

Answer:

L^2+M^2+M^2+N^2+N^2+L^2

2L^2+2M^2+2N^2

2(L^2+M^2+N^2)

2Lm+2mn+2nl

2(lm+mn+nl)

Answer 2

Step-by-step explanation:

L²+M², M²+N², N²+L² and 2Lm + 2mn +2nl