First Term and Common Difference of an AP
First Term and Common Difference of an AP
Arithmetic Progression (AP) is a sequence of numbers in order in which the difference of any two consecutive numbers is a constant value.
The first term of an A.P. is denoted by and common difference is denoted by d.
First Term .
Difference
Difference
As the difference in both the cases is same so the common difference
For example,
The series of natural numbers: 1, 2, 3, 4, 5, 6,… is an AP, which has a common difference between two successive terms (say 1 and 2) equal to 1 (2 -1).
If an AP is given by : 23, 21, 19, 17. Find its commond difference | |||
| Right Option : B | |||
| View Explanation | |||
If the first term of an AP is -103 and 6th term is -153. Find its common difference. | |||
| Right Option : C | |||
| View Explanation | |||
If the first term of an AP is 5 and 4th term is 20. Find its common difference. | |||
| Right Option : A | |||
| View Explanation | |||
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