Question

add l2 + m2 ,m2+x2,x2+l2​

Answer 1

Solution :

∴ (l² + m²) + (m² + x²) + (x² + l²)

= l² + m² + m² + x² + x² + l²

= (l² + l²) + (m² + m²) + (x² + x²)

= 2l² + 2m² + 2x²

= 2 (l² + m² + x²)

Answer 2

Answer:

$\huge\underline\mathfrak\green{Solution}$