Question

3. Write the following sets in the set builder form.

(a) A = {2, 4, 6, 8} let A =

(b) B = {3, 9, 27, 81} B = let B = {x:x 3^n , where n belongs to natural number}

(c) C = {1, 4, 9, 16, 25}

(d) D = {1, 3, 5,}




4. Write the following sets in the roster form.



(a) A = {x : x ∈ Whole numbers, x < 5}

(b) B = {x : x ∈ prime numbers, 0< x < 9)

(c) C = {x : x is divisible by 12}


(d) K = {x : x is a prime number which is a factor of 42}
(e) H = {x : x is a 2-digit natural number such that the sum of its digits is 5}

plz help with this

Answer 1

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