Question

the side of a rectangle are 3 a square + 6 b and 4 a square + b find its perimeter ​

Answer 1

Step-by-step explanation:

$2( {3a}^{2} + 6b + {4a}^{2} )$

$2( {12a}^{2} + 6b)$

${24a }^{2} + 12b$