Question

what is an arithmetic progression​

Answer 1

Answer:

Arithmetic Progression :-

The progression when obtain the successive terms by adding or subtracting a fixed number to preceding forms is called " Arithmetic Progression " .

Answer 2

common difference

Step-by-step explanation:

common difference

ex 2 4 6 8 10.....find 10th term

a=2

d=4-2 =2

an= (a+n-1) d

= (2+10-1)2

=(2+9)2

=11×2

. =22

for finding sum there is 2 formula if an is given then use this formula

sn =a+an

sn=(2a+n-1) d

sn=2+22

sn =24