Arithmetic progressions Flashcards by Shrushti Sivaramakrishnan | Brainscape

Q

An/Tn=

A

a+(n-1)d

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

S=

A

n/2[2a +(N-1)d]

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Alternate S=

A

n/2[a+l]

How well did you know this?

1

Not at all

2

3

4

5

Perfectly