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dangina [55]
2 years ago
8

1,5,25,61.....What's following number? ​

Mathematics
1 answer:
Lana71 [14]2 years ago
3 0

Given:

1,5,25,61.....

To find:

The following number.

Solution:

We can see a pattern in the given sequence.

(-1)^2+(0)^2=1+0=1

(1)^2+(2)^2=1+4=5

(3)^2+(4)^2=9+16=25

(5)^2+(6)^2=25+36=61

Using this pattern the next term is the sum of squares of 7 and 8.

(7)^2+(8)^2=49+64=113

Therefore, the next number is 113.

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Step-by-step explanation:

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So the sum of all 15 data is  a+b+c+d+e+f+g+h+i+j+k+l+m+n+o=300                since 15(20)=300

Now let's look at the first 10:  We have their mean so we can write:

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