So far, we've been solving equations like
and | ||
(a linear equation) | (a quadratic equation) |
But, NOW the unknown is going to be in the exponent!
Check it out:
Solve |
We need a way to get to the t... We HAVE to solve for Mr. t. I pity the fool who can't solve Mr. t ! Pity the fool! (Sorry for the lame A-Team joke.)
Who is in the way?
!
How can we ditch that e? Can you think of anything that will undo it?
The natural log! He's an e killer!
Just remember... |
So... take the natural log of each side:
So, | You can pop this into your calculator... (Four decimal spots is OK.) |