Posted by **joey** on Sunday, June 28, 2009 at 11:19pm.

I am having great difficulty with this any help would be appreciated.

Write this expression in the form e^kx for a suitable constant k.?

(e^4x * e^6x)^3/5, 1/e-2^x

- Calculus -
**Reiny**, Sunday, June 28, 2009 at 11:36pm
which expression, you appear to have two of them

I will do the first one:

(e^4x * e^6x)^3/5

= (e^(10x))^(3/5)

= e^(6x) , so the "suitable" constant k is 6

your second expression is much too ambiguous to attempt.

You will have to use brackets.

is it (1/e) - 2^x ? or

1/(e - 2^x) ? or

1/(e-2)^x ?

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