HEY! I've got a different solution to x²=10.5*10^-4
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HEY! I've got a different solution to x²=10.5*10^-4

[From: ] [author: ] [Date: 12-03-31] [Hit: ]
youtube.com/watch?Why Im wrong?Thank you in advance-The answer is 0.0324, but your value is just a rough estimate.......
What I've done:
x²=10.5*10^-4
x= √10.5 *10¨²
x=about 3.5 *10¨²
x=0.035

Salman Khan solved it using a calculator and got 0.324
http://www.youtube.com/watch?v=dencuBNp_…
(from 11:58 to 12:36)


Why I'm wrong?
Thank you in advance

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The answer is 0.0324, but your value is just a rough estimate. Salman Khan got 0.0324 not 0.324

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Using differential equations to estimate √(10.5), I get x ≈ 13/400 = 0.0325.

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don't know what salman khan is doin but u r pretty close to d correct answer.
mistake: root of 10.5 is 3.24.
Don't worry, ur solution is correct.
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