Question

1.
Write the next terms of the following sequences :
(i) 2, 6, 12, 20, ....
(ü) 1,5, 13, 29, ...
(iv) 2, 5, 11, 23....​

Answer 1

Answer:

Step-by-step explanation:

1) 2  6  12  20  ...................

1*2  2*3  3*4  4*5 ...........................

next term = 5*6 = 30

2)  1  5  13  29 ...........................

1   1*2+3  5*2+3  13*2+3  ........................................

next term = 29*2+3 = 61

3)  2  5  11  23 ...............................

2  2*2+1  5*2+1  11*2+1 ............................

next term = 23*2+1 = 47