logarithm

jyoti:

95=1-(1-5)^n

find n

Hi jyoti,

94 = -(-4) ⁿ

(-4) ⁿ = -94

log (-4) ⁿ = log (-94)

You cannot find the log of a negative number, therefore

This does not have any real solutions.
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This question is causing me concerns because
if
(-4) ⁿ=-64 then an answer is n=3
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I might be back.

Melody:

jyoti:

95=1-(1-5)^n

find n

Hi jyoti,

94 = -(-4) ⁿ

(-4) ⁿ = -94

log (-4) ⁿ = log (-94)

You cannot find the log of a negative number, therefore

This does not have any real solutions.
------------------------------------------------------------------------------
This question is causing me concerns because
if
(-4) ⁿ=-64 then an answer is n=3
----------------------------------------------------------------------------------
I might be back.

Hey Melody,

Even though it might be a too complex computation for the question asked, it is solvable using complex numbers.
Define i ² = -1, then
log (-4) ⁿ = log (-94) => log(i ²4) ⁿ = log(i ²^n) + log(4 ⁿ) = log(i ²) + log(94) = log(-94)
this gives log(i ²^(n-1)) + n log 4 = log 94
For n is an uneven number, log(i ²^(n-1)) = log(-1 ^(n-1)) = log 1 = 0.
Hence the transformation to a real number and the final solution of n = 3.

*
Thanks Jyoti,

I am too tired to work out what you have said now. I will take a proper look in the morning . Thankyou for helping. It is appreciated.

I am sorry I can't answer your matrix question. Maybe someone else will help tomorrow.
I said in my nightly wrap that you are needing an answer and I think those wraps are reasonable well read.
I hope that someone in this forum can help you.

If help does not come soon it might be best to post your question in
mathhelpforum.com
They are really friendly and knowledgable there.

Melody. (That's me yawning - I wish there was a sleepy smilie.)

It's easy. "N" is always d**k in a*s horse face p**p

jyoti:

95=1-(1-5)^n

find n

It's actually quiet easy, you just subdivide by the square root of 56 and that all comes down to DIA = RREAH

DIA stands for the distance between the 2 algorythms and RREAH is just short for the sum equal to your answer.

Down below is a picture to demonstrate how to solve it easily.

Your dog needs to go to the veterinarian. You should take better care of him.