Question

add L2-m2,m2+n2+p2,m2+L2,L2-m-n2-p2​

Answer 1

According to ur question,

${l}^{2} - {m}^{2} + {m}^{2} + {n}^{2} + {p}^{2} + {m}^{2} + {l}^{2} + {l}^{2} - {m}^{2} - {n}^{2} - {p}^{2}$

After u solve,

u'll get the answer as

$3 {l}^{2}$

u'r done!!

Thnx✌️♥️~

Answer 2

3l² is the correct answer

Thnx✌️✌️