sum of the first 100 natural numbers

1. To find the sum of first n natural numbers. 2. To find the sum to squares of first n natural numbers. 3. To find the sum to the cubes of first n natural numbers. 4. Method of ..

General Series - 1. To find the sum of first n natural numbers. ..

A set of numbers arranged in a definite order according to some definite rule is called a sequence. A sequence is a function whose domain is the set N of natural numbers. Indicated sum of the terms in a sequence is called a series. The result of p..

of (a + b) n and is given by - If n is an odd natural number, then there are two middle terms in the expansion of (a + b)n and are given by i) The sum of all binomial coefficients in the expansion of (1+x) n is 2 n . ii) The sum of all even binomial..

n t h term of (1,2,3,....) is n Subtracting (ii) from (i), we get ..

Find the sum of first 82 natural numbers. => 3063 or 3403 or 3485 or 3437..

Find the sum of first 24 natural numbers. => 303 or 324 or 300 or 270..

What is the sum of first 4 odd natural numbers? => 12 or 16 or 8 or 20..

Sound is a form of energy. It is produced by the vibration of particles and it travels in a wave-like motion. The number of waves passing a point per second is called the frequency and its unit is Hertz (Hz). The pitch of the sound (high or low sounding) is measured by the frequency. Man..

The sum of the three consecutive natural numbers lies between 66 and 81. Find the smallest and largest possible numbers. => Smallest: 22 and Largest: 26 or Smallest: 22 and Largest: 25 or Smallest: 65 and Largest: 80 or Smallest: 23 and Largest: 26..