Question

AL
15. IfA={a,{a,b}},write all the subsets of A.
16. If A= {2,6,10,14} and B={2,5,14,16} find AU B and ANB
17. If n(A)=36 n(B)= 10 n(AU B)=40 and n(A')=27 find n(U) and n(ANB)
18. If P={2,3,5,7,11} and Q={1,3,5,11} the find the symmetric difference between the sets.
19. Convert the decimal number 0.45 in the form of p/q(p,q€ Z and q70)
20. Give any two rational numbers between 1/2 and 2/3.
21. What should be added to 2x3+6x2-5x+8 to get 3x3-2x2+6x+15?​

Answer 1

Step-by-step explanation:

A≈124.69m²[

A≈124.69m²

Answer 2

Answer:

AUB = { 2,5,6,10,14,16}