Area of a parallelogram , whose diagonals are 3i cap + j cap - 2k cap and i cap - 3j cap + 4k cap will be :- a) 14 units b) 53 units c) 103 units d) 203 units

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If A = {3, 5, 7, 9, 11}, B = {7, 9, 11, 13}, C = {11, 13, 15} and D = {15, 17}; find :

(i) $A \cap B$ (ii) $B \cap C$

(iii) $A \cap C \cap D$ (iv) $A \cap C$

(v) $B \cap D$ (vi) $A \cap (B \cup C)$

(vii) $A \cap D$ (viii) $A \cap (B \cup D)$

(ix) $(A \cap B) \cap (B \cup C)$

(x) $(A \cup D) \cap (B \cup C)$

If A = {3, 5, 7, 9, 11}, B = {7, 9, 11, 13}, C = {11, 13, 15} and D = {15, 17}; find

(i) A ∩ B

(ii) B ∩ C

(iii) A ∩ C ∩ D

(iv) A ∩ C

(v) B ∩ D

(vi) A ∩ (B ∪ C)

(vii) A ∩ D

(viii) A ∩ (B ∪ D)

(ix) (A ∩ B) ∩ (B ∪ C)

(x) (A ∪ D) ∩ (B ∪ C)

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