Question

If A={3,5,7,9,11} , B={7,9,11,13), C{15,17}. Find An (BnC)
please slove this
grade 11 science pcmb​

Answer 1

Given sets:

A = { 3, 5, 7, 9, 11 }

B = { 7, 9, 11, 13 }

C = { 15, 17 }

(First, finding B n C)

from the elements in B n C, as can conclude that,

=> B n C = { }

Therefore, A n ( B n C ) will be,

=> A n { }

=> { }

~Phi or { } is your answer.

Answer 2

Answer:

Given sets:

A = { 3, 5, 7, 9, 11 }

B = { 7, 9, 11, 13 }

C = { 15, 17 }

(First, finding B n C)

from the elements in B n C, as can conclude that,

=> B n C = { }

Therefore, A n ( B n C ) will be,

=> A n { }

=> { }

~Phi or { } is your answer.