Question

25) Using suitable identity,evaluate the following (i) (103) (ii) 101 x 102​

Answer 1

Answer:

(100 + 3)3 = (100)3 + (3)3 + 3 x 100 x 3 x (100 + 3) = 1000000 + 27 + 900 (103) = 1000027 + 92700 = 1092727 (ii) 101 x 102 = (100 + 1) (100 + 2) = (100) + 100(1 + 2) + 1 x 2 = 10000 +