If `A= {2,3,5,7,11} and B=phi`, find : (i) `A cup B` (ii) `A cap B`

If `A= {2,3,5,7,11} and B=phi`, find :
(i) `A cup B`
(ii) `A cap B`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - (i) `{2,3,5,7,11}`
(ii) ` phi`

4 views Answered 2023-02-05 15:29

Related Questions

If `x=secphi -tanphi and y="cosec" phi+cotphi`, then show that `xy+x-y+1=0.`

2 Answers 4 Views

For `0ltphiltpi//2," if" x=sum_(n=0)^(oo) cos^(2n)phi,y=sum_(n=0)^(oo) sin^(2m)phi,z=sum_(n=0)^(oo)cos^(2n)phisin^(2n)phi`,then

2 Answers 5 Views

In a coil of resistance R, magnetic flux due to an external magnetic field varies with time as `phi=k(C-t^(2))`. Where k and C are positive constants.

2 Answers 4 Views

Two capacitors of capacitances `25muF and 100 muF` are connected in series and are charged by a battery of 120 V. the battery is then removed. The cap

2 Answers 5 Views

Write down all subsets of each of the following sets: `(i) A= {a}` `(ii) B={a,b}` `(iii) C={-2,3}` `(iv)D={-1,0,1}` `(v)E=phi` `(vi) F={2,{3}}` `(vii)

2 Answers 4 Views

If ` A = {a,b,c,d,e ,f} , B= {c,e,g,h} and C={a,e,m,n}`, find. (i) `A cup B` (ii) ` BcupC` (iii) `Acup C` (iv) `B cap C` (v) `C cap A` (vi) `Acap B`

2 Answers 4 Views

If ` A= {1,2, 3,4 , 5}, B= { 4,5,6,7,8}, C= {7,8,9,10,11} and D={10, 11, 12, 13, 14}`, find : `(i) A cup B ,(ii) B cup C, (iii) A cup C ,(iv) B cup D

2 Answers 4 Views

If ` A ={2x:x in N and 1 le x lt 4}, B= {(x+2): x in N and 2 le x lt 5}` } and `C = {x:x in N and 4 lt x lt 8}`, find : (i) ` A cap B` (ii)` A cup B`

2 Answers 4 Views

If `A= {2,4,6,8,10,12} and B ={ 3,4,5,6,7,8,10}`, find: (i) `A-B)` (ii) `(B-A)` (iii) `(A-B) cup (B-A)`.

2 Answers 4 Views

If `A={(1)/(x) : x in N and x lt 8}and B={(1)/(2x):x in N and x le 4}`, find : (i) `A cup B` (ii) `A cup B ` (iii) ` A-B` (iv)` B-A`

2 Answers 6 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)