Question

A = {x:x is natural number}; B = {x:x, is even natural numbers}
C = {x:x is odd natural numbers}; D = {x:x is prime number} then find A ∩ B, A ∩ C, A ∩ D,
and B ∩ C
17. Find the area of the triangle, whose vertices are (-5, 2) (3, -4) and (1,1)

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Answer 1

Hey siso !!

Here is your answer !!

A = { 1 , 2 , 3 , 4 , 5 ,.....}
B = { 2 , 4 , 6 , 8 , 10 ,....... }
C = { 1 , 3 , 5 , 7 , 9 , 11 ,......}
D = { 2 , 3 , 5 , 7 , 11 , .........}

A Π B = { 2 , 4 , 6 , 8 , 10 ,........}
A Π C = { 1, 3, 5 ,7 ,9,........}
A Π D = { 2 , 3 , 5 , 7 , 11 ,.....}
B Π C = {} Empty set !!

Now !!!

Area of the triangle whose vertices are
( 5 , -2 ) ( 3,-4 ) ( 1,1)

Check the attachment !

Answer 2

HEYA!!!!!

Refer the attachment for the answer.

HOPE THIS HELPS U