- an?=a1?+(n?1)d
- an?=a1?rn?1
- an?=a1?+nd
- an?=d+(n?1)a1?
Category: Algebra MCQs
- ax=logx?a
- loga?x=ax
- loga?(ax)=x
- alogx?a=x
- Sn?=2n?(a1?+an?)
- Sn?=n(a1?+an?)
- Sn?=1?ra1?(1?rn)?
- Sn?=na1?
- Sn?=2n?(a1?+an?)
- Sn?=n(a1?+an?)
- Sn?=1?ra1?(1?rn)?
- Sn?=na1?
- Intersecting
- Parallel
- Coincident
- Perpendicular
