Arithmetic Progressions Flashcards
1
Q
Arithmetic progressions are actually like
A
Patterns that contain terms
2
Q
The first term of an arithmetic progression is denoted by
A
“a”
3
Q
The difference between every term of an arithmetic progression
A
Common difference - denoted by “d”
4
Q
In Arithmetic progression , the “n”th term is equal to
A
a + (n-1) d
5
Q
Sum of numbers upto “n”th term in arithmetic progression
A
n/2 x ( first term + last term)
= n/2 x {a + [a + (n-1)d]}
= n/2 x [2a + (n-1)d]
