সপ্তম অধ্যায়ঃ লগরিদম
Properties of Logarithm
1. If y=ax, then logay=x. → Definition of logarithm
2. logaxy=logax+logay
3. logaxy=logax−logay
4. logaxn=nlogax
5. logaa=1
6. loga1=0
7. log10x=logx → Common logarithm
8. logex=lnx → Naperian or natural logarithm
9. logyx=logxlogy=lnxlny → Change base rule
10. If logax=logay, then x=y.
11. If logax=y, then x=antilogay.
- 164 views