Let `A={a , b ,{c , d},\ e}` . Which of the following statements are false and why? (i) `a in A` (ii) `asubA` (iii) `{a , b , e}subA`

Let A={a , b ,{c , d},\ e} . Which of the following statements are false and why? (i) {a , b , e} in A (ii) {a , b , c}subA (iii) varphi in A (iv) {varphi}subA

Let A={a , b ,{c , d},\ e} . Which of the following statements are false and why? (i) {c , d}subA (ii) {c , d} in A (iii) {{c , d}}subA

Which of the following statements are true ? {a} sub {b,c,d,e}

Let A={{1,2,3},\ {4,5},\ {6,7,8}}dot Determine which of the following is true or false: (i) 1 in A (ii) {1,2,3}subA (iii) {6,7,8} in A

Which of the following statement is false: A-B=AnnB b. A-B=A-(AnnB) c. A-B=(AuuB)-B d. A-B=A-B '

Let A={varphi,{varphi},1,{1,varphi},2}dot Which of the following are true? i. varphi ∈A ii. 2subA iii. {2,{1}}subA

Let A={{1,2,3},\ {4,5},\ {6,7,8}}dot Determine which of the following is true or false: (i) {{4,5}}subA (ii) varphi in A (iii) varphisubA

Let A={varphi,{varphi},1,{1,varphi},2}dot Which of the following are true? i. {1}sub A ii. {{varphi}}subA iii. {2,varphi}subA

Let A={phi,{phi},2,{2,phi},3}, which of the following are true ? {:((i),phiinA,(i),phisubA,(iii),{phi}inA),((iv),{phi}subA,(v),2subA,(vi),{2","phi}subA),((vii),{{2}","{3}} subA,(viii),{2","3}!inA, (ix),{phi","2","3}subA.):}

Let f be a differentiable function on the open interval(a, b). Which of the following statements must be true? (i) f is continuous on the closed interval [a,b], (ii) f is bounded on the open interval (a,b) (iii)If a (a)Only I and II (b)Only I and III (c)Only II and III (d)Only III