3√64343= ? (a) 49 (b) 47 (c) 87 (d) 821
3√64343=3√4×4×47×7×7=3√4373=47
Factorise 9x2−64
If A = {1, 2, 3, 4}
B = {3, 4, 5, 6, 7}
C = {6, 7, 8, 9}
D = {7, 8, 9, 10}
ColumnAColumnB1.A∪B a. {3,4,6,7} 2.A∩B b. ∅ 3.(B∩C)∪D c. {3,4} 4. B∪C∪D d. {3,4,5,6,7,8,9,10} 5. (A∩B)∩(B∪C) e. {1,2,3,4,5,6,7} f. {6,7,8,9,10} g. {7}
3√512 = ? (a) 6 (b) 7 (c) 8 (d) 9