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प्रश्न
Find the square of the following number:
205
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उत्तर
Here n = 20
\[\therefore\] n(n + 1) = (20)(21) = 420
\[\therefore\] 2052 = 42025
संबंधित प्रश्न
Write a Pythagorean triplet whose one member is 16.
What will be the units digit of the square of the following number?
4583
What will be the units digit of the square of the following number?
52698
From the pattern, we can say that the sum of the first n positive odd numbers is equal to the square of the n-th positive number. Putting that into formula:
1 + 3 + 5 + 7 + ... n = n2, where the left hand side consists of n terms.
Observe the following pattern
22 − 12 = 2 + 1
32 − 22 = 3 + 2
42 − 32 = 4 + 3
52 − 42 = 5 + 4
and find the value of
1002 − 992
Which of the following triplet pythagorean?
(10, 24, 26)
Find the squares of the following numbers using column method. Verify the result by finding the square using the usual multiplication:
37
Find the squares of the following numbers using diagonal method:
348
Find the square of the following number:
745
