Advertisements
Advertisements
प्रश्न
The sum of first n odd natural numbers is ______.
पर्याय
2n + 1
n2
n2 – 1
n2 + 1
Advertisements
उत्तर
The sum of first n odd natural numbers is n2.
Explanation:
Sum of first n odd natural numbers
= `sum(2n - 1) = 2sumn - n`
= `(2 xx n(n + 1))/2 - n`
= n(n + 1) – n
= n2 + n – n
= n2
APPEARS IN
संबंधित प्रश्न
Find the square of the given number.
93
Write a Pythagorean triplet whose one member is 6.
Write a Pythagorean triplet whose one member is 14.
Write a Pythagorean triplet whose one member is 16.
What will be the units digit of the square of the following number?
55555
Find the squares of the following numbers using diagonal method:
273
Find the square of the following number:
451
Find the square of the following number:
205
Find the square of the following number:
745
All numbers of a pythagorean triplet are odd.
