June 07, 2023, 08:51:06 am

AuthorTopic: Maths 3A/3B  (Read 49777 times) Tweet Share

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RuiAce

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Re: Maths 3A/3B
« Reply #150 on: October 19, 2017, 12:15:40 pm »
+2
Would this be correct ?
Yes.

Just don't forget the +C.

anotherworld2b

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Re: Maths 3A/3B
« Reply #151 on: October 19, 2017, 05:24:38 pm »
0
I tried to differentiate this question. Would this be correct?

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Re: Maths 3A/3B
« Reply #152 on: October 19, 2017, 07:27:05 pm »
+1
I tried to differentiate this question. Would this be correct?
Yep
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anotherworld2b

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Re: Maths 3A/3B
« Reply #153 on: October 19, 2017, 08:20:36 pm »
0
But the answer is this apparently?
Yep

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Re: Maths 3A/3B
« Reply #154 on: October 19, 2017, 08:39:00 pm »
+2
But the answer is this apparently?
They just put it into a different form (a single fraction)
$e^x( \sqrt{x}+\frac{1}{2\sqrt{x}})\\=e^x(\frac{2x}{2\sqrt{x}}+\frac{1}{2\sqrt{x}})\\ =e^x(\frac{2x+1}{2\sqrt{x}})$