Question

the number of natural. numbers lying between 7^2 and 8^2 is ____
plz help​

Answer 1

$answer$

Number of natural numbers lying between n

2

and (n+1)

2

2 =(n+1)

2 =(n+1) 2

2 =(n+1) 2 −n

2 =(n+1) 2 −n 2

2 =(n+1) 2 −n 2 −1=2n

Therefore, number of natural numbers lying between 18

2

and 19

2

=2n=2×18=36 numbers.

Answer 2

Answer:

formula to find natural no. between two square of consequetive no.

= 2 × n

where "n" is less than the other

according to your question

7²-8²

2×n

2×7

14 answer

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