Math, asked by manishamenkudl, 1 year ago

missing number 1,3,7,25,103,?

Answers

Answered by july2013
8
1,3,7,25,103

 1*1+2 = 3.
 3*2+1 = 7.
7*3+4 = 25.
25*4+3 = 103.
103*5+6 = 521.

Here  the pattern is = 1*n+(n+-1).
Where n belongs to (1,2,3...
) & if if n is odd then we add +1 to that number But if it is even then we subtract one....
The next term will be :-

521*6+(6-1) 
⇒ 3131...
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