# Let D = {b, a, c, k}, E = {t, a, s, k}, F = {b, a, t, h}. Using these sets, find the following:20. Fc ⋂ D 22. D ⋂ (E ⋃ F)

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Let D = {b, a, c, k}, E = {t, a, s, k}, F = {b, a, t, h}. Using these sets, find the following:
20. Fc ⋂ D 22. D ⋂ (E ⋃ F)

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Step 1

Let us consider the universal set as set of all alphabets. Then F^c contains all elements os U except the elements of F. So F^c does not contain b,a,t,h

Now,intersection of  F^c  and D contains all elements which are in both F^c and D .Since F^c contains all elements except b,a,t,h

So, common elements are c and k only.

Step 2

22)Firstly, we find union of E and F , which is the collection of all elements of E and F. Then We find the  ...

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### Algebra 