Question

Please help me with this thankyou ​

Answer 1

Answer:

Area of the Rectangle is (length×breadth)

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

Third option is the right answer.