Question

Find the cardinal number of the following sets (ii) P = {x : x = 3n + 2, n ∈ W and x < 15} (iii) Q = {y : y = 4 / 3n , n ∈ N and 2 < n ≤ 5}

Answer 1

Answer:

Number of element in a set is called cardinal number.

(1)A={5,25,125,625}

n(A)=4

(2)B={b,c,d,f,g,h,j,k,l,m,n,p,q,r,s,t,u,v,w,x,y,z}

n(B)=21

(3)X={2,3,5,7,11......}

n(x)=infinite

(4)Q={−3,−2,−1,0,1,2,3,4,5}

n(A)=9

Answer 2

Answer:

What are the two ways of referencing cells in other worksheets?

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