Question

Please help me with this thankyou ​

Answer 1

Area of the Rectangle is (length×breadth)

`5 {x}^(5) {y}^(3) * {(7 {x}^(3)y) }^(4) = 5 {x}^(5) {y}^(3) * 2401 {x}^(12) {y}^(4) \\ = 12005 {x}^(17) {y}^(7)`

Third option is the right answer.