/sci/ - Science & Math » Thread #11367143

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Anonymous Fri 07 Feb 19:50:27 2020 No.11367143 View Reply Original Report

Quoted By: >>11367149

Well, /sci/?

Anonymous

Anonymous Fri 07 Feb 2020 19:53:20 No.11367149 Report

Quoted By: >>11367151 >>11367168

>>11367143
Can't you just use the exponent rules so that 2/3*3/2=1

Anonymous

Anonymous Fri 07 Feb 2020 19:54:15 No.11367151 Report

Quoted By:

what's the point of this thread
>>11367149
yes

Anonymous

Anonymous Fri 07 Feb 2020 20:04:39 No.11367168 Report

Quoted By: >>11367185

>>11367149
prove that $x^{ab}=(x^{a})^{b}$ for negative x and rational a and b

Anonymous

Anonymous Fri 07 Feb 2020 20:11:45 No.11367185 Report

Quoted By: >>11367268

>>11367168
Proof B
http://andrusia.com/math/preliminaries/ExponentiationTheorems.pdf

Anonymous

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Anonymous Fri 07 Feb 2020 20:48:49 No.11367268 Report

Quoted By: >>11367287 >>11368470

>>11367185
>for negative x and rational a and b
not in this case

Anonymous

Anonymous Fri 07 Feb 2020 20:59:07 No.11367287 Report

Quoted By: >>11367294 >>11368470 >>11368497

>>11367268
Wrong. $(-27)^{2/3}=-9$

Anonymous

Anonymous Fri 07 Feb 2020 21:03:10 No.11367294 Report

Quoted By: >>11367317

>>11367287
ebin troll

Anonymous

Anonymous Fri 07 Feb 2020 21:12:46 No.11367317 Report

Quoted By: >>11367342

>>11367294
What is $-27^1$ ? You should be able to solve this and I will be able to misconstrue the answer the same way you did.

The actual correct answer is:
$(-27)^{2/3}=-4.5+\sqrt{60.75}i$

Anonymous

Anonymous Fri 07 Feb 2020 21:21:20 No.11367342 Report

Quoted By: >>11367346

>>11367317
dont use complex numers, it becomes too simple.we want to explore this problem more in the field of real numbers

Anonymous

Anonymous Fri 07 Feb 2020 21:23:17 No.11367346 Report

Quoted By:

>>11367342
Then answer my question. What is $(-27)^1$ ? It will reveal the stupidity of this discussion.

Anonymous

Anonymous Fri 07 Feb 2020 21:26:28 No.11367352 Report

Quoted By:

/sci/ btfo again

Anonymous

Anonymous Sat 08 Feb 2020 08:59:02 No.11368470 Report

Quoted By:

>>11367287
its 9
>>11367268 implies -27=27 what the fuck

Anonymous

Anonymous Sat 08 Feb 2020 09:15:46 No.11368497 Report

Quoted By:

>>11367287
-4.5 + 7.79422863 i

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