Find, which of the following sets are empty: (i)The set of points of i

1.	Find, which of the following sets are empty: (i)The set of points of intersection of two parallel lines. (ii) A={x:x∈N and 5< x≤6} (iii) B={x:x2+4=0,x∈N} (iv)C={even numbers between 6&10} (v) D={prime numbers between 7&11} Note : The set, which has no element in it, is called the empty or null set.
Answer» Find, which of the following sets are empty: (i)The set of points of intersection of two parallel lines. (ii) $A = {x : x \in N a n d 5 < x \leq 6}$ (iii) $B = {x : x^{2} + 4 = 0, x \in N}$ (iv) $C = {e v e n n u m b e r s b e t w e e n 6 & 10}$ (v) $D = {p r i m e n u m b e r s b e t w e e n 7 & 11}$ Note : The set, which has no element in it, is called the empty or null set.

Find, which of the following sets are empty: (i)The set of points of intersection of two parallel lines. (ii) A={x:x∈N and 5< x≤6} (iii) B={x:x2+4=0,x∈N} (iv)C={even numbers between 6&10} (v) D={prime numbers between 7&11} Note : The set, which has no element in it, is called the empty or null set.

Answer»

Find, which of the following sets are empty:

(i)The set of points of intersection of two parallel lines.

(ii) $A = {x : x \in N a n d 5 < x \leq 6}$

(iii) $B = {x : x^{2} + 4 = 0, x \in N}$

(iv) $C = {e v e n n u m b e r s b e t w e e n 6 & 10}$

(v) $D = {p r i m e n u m b e r s b e t w e e n 7 & 11}$

Note : The set, which has no element in it, is called the empty or null set.