Math, asked by spectra0612, 1 year ago

the sum of first n natural numbers is given in the expression n^2 by 2 + n by 2. factorise this expression.

Answers

Answered by chinnu1583

2

The sum of first n natural numbers

n×[(n+1)/2]

Previous Question

Next Question

Similar questions

Math, 8 months ago

The time 25 minutes before 2:15 pm is...

Math, 8 months ago

In traingle PQR, side PR and OR are extended to B and A respectively. If angle ARB= 62 degree, find angle PRQ and angle BRQ. please give full explanation...

English, 8 months ago

Read the procedures about how to wash your hands and answer the questions. How to wash hands 1. Wet your hands with clean water and use soap. 2. Wash both sides of your hands and in between your fingers. 3. Remember to clean your finger nails. 4. Wash your hands throughly. 5. Then dry them with clean towel. a) What do you need to use to wash your hands? b) Why do you need to wash your hands? c)...

Math, 1 year ago

A straight lime is drawn through the point p(2,3) and is inclined at an angle of 30° with the x- axis . find the coordinate of two points on it a distance 4 from P .

Physics, 1 year ago

convert 80km/h to m/min..

Math, 1 year ago

Crystallization science definition grade 6...

Math, 1 year ago

Critical appreciation of the poem -sonnet 29 by william shakespeare...

Math, 1 year ago

Could you get the tickets he said to me change into indirect speech...