Question

7,8,20,69,_
what will be the next numberin the pattern​

Answer 1

Answer:

answer is 292

Step-by-step explanation:

So,

By observation,

‘n’th term = (value of  (n−1)th   term∗(n−1))+(n−1)2 (except the first term)

Therefore,

All the terms can be described as,

1st term =  7  

2nd term =  7∗1+12=8  

3rd term =  8∗2+22=20  

4th term =  20∗3+32=69  

5th term =  69∗4+42=292  

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