integration

[markosheehan]

consider the function y=a^x where a is a constant. show that x= ln y/ ln x

i tried using the log formula but i have had no luck can someone help me please

[blue89]

Hi

 

Are you sure whether you have written some parameters incorrect or not?

[studiot]

Yes he has miscopied. +1

 

 

Hi

 

Are you sure whether you have written some parameters incorrect or not?

 

mark please review your first post and correct it.

[Country Boy]

If y= a^x then ln(y)= x ln(a) so that x= ln(y)/ln(a), not ln(y)/ln(x).

 

(Why was this titled "integration"?)

[Rajesh Bhuria]

y=a^x

Taking ln on both the sides

ln(y)=ln(a^x)

ln(y)=x ln(a)

so, x=ln(y)/ln(a)

x not equals to ln(y)/ln(x)

[Sriman Dutta]

Hi mark,

x=ln y/ln x only if y=x^x .

Besides, if we want to find the value of x, then how can x be in right hand side?