Question

the two adjacent sides of a rectangle are 5x²_3y²andx²+2xy. find the premitere

Answer 1

perimeter = 2L + 2B
perimeter=
$(10 {x}^{2} - 6 {y}^{2} ) + (2 {x }^{2} + 4xy)$
=
$12 {x}^{2} - 6 {y}^{2} + 4xy$