NUMBERS AND SEQUENCES

Gap-fill exercise

  
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is called the “Father of Geometry".

An means a series of methodical step-by-step procedure of calculating successively on the results of earlier steps till the desired answer is obtained.

Every composite number can be written uniquely as the product of power of primes” is called of Arithmetic.

A real valued is a function defined on the set of natural numbers and taking real values.

Each element in the sequence is called a of the sequence.

The element in the first position is called the of the sequence.

The element in the second position is called of the sequence.

If the number of elements in a sequence is finite then it is called a .

If the number of elements in a sequence is infinite then it is called an .

Let a and d be real numbers. Then the numbers of the form a, a + d, a+ 2d ,a + 3d , a + 4d , ... is said to form .

The difference between any two consecutive terms of an A.P is always constant.That constant value is called the .

If there are finite numbers of terms in an A.P. then it is called .

If there are infinitely many terms in an A.P then it is called .

An Arithmetic progression having a common difference of zero is called a .

A series whose terms are in Arithmetic progression is called .

A Progression is a sequence in which each term is obtained by multiplying a fixed non-zero number to the preceding term except the first term.

There are some series whose sum can be expressed by explicit formulae. Such series are called .

The sum of first n natural numbers are also called Numbers .

The sum of squares of first n natural numbers are also called Square Numbers .

The sum of first n odd natural numbers is always an .

The sum of consecutive even numbers is always an .