Question

it is urgent fast I need answer ​

Answer 1

Answer:

it's pretty easy

axb= {(1,3)(1,4)(1,5)(2,3)(2,4)(2,5)(3,3)(3,4)(3,5)}

n(axb)= 9

Answer 2

Step-by-step explanation:

♧A=1×2×3

♧B=3×4×5

♧A×B=1×2×3×3×4×5

♧AB=360

SO ... AB=360

Hope it helps..

Thank you..