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January 29, 2020, 03:58:25 am

Author Topic: Chavi's Mathematical adventure (+Karma for solutions)  (Read 7058 times)  Share 

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Chavi

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Chavi's Mathematical adventure (+Karma for solutions)
« on: November 28, 2010, 07:21:16 pm »
+1
Karma for correct answers

1.
2. Complete the next three terms in the sequence: 1, 4, 9, 61,
3, Let x be an element of R. Find which term has a larger value, sin(cos x) or cos(sin x)?
4. Find a value of x such that:

5. are integers and . Solve the following two equations:


6. For the equation:


Find the value of m for which the equation has infinite solutions.
« Last Edit: November 29, 2010, 04:30:28 pm by Chavi »
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taiga

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Re: Chavi's excellent mathematical adventure
« Reply #1 on: November 28, 2010, 07:23:57 pm »
0
Karma for correct answers

1.
2. Complete the next three terms in the sequence: 1, 4, 9, 61,
3, Let x be an element of R. Find which term has a larger value, sin(cos x) or cos(sin x)?

1. 0

2. 52, 63, 94
It's not very mathsy :P

3. doing...
I subbed in values, and cos(sinx) is bigger becos
« Last Edit: November 28, 2010, 07:31:51 pm by taiga »
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Chavi

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Re: Mathematical adventure (+Karma for solutions)
« Reply #2 on: November 28, 2010, 07:25:06 pm »
0
1. look deeper
2. three terms. . .
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funkyducky

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Re: Mathematical adventure (+Karma for solutions)
« Reply #3 on: November 28, 2010, 07:28:00 pm »
0
2. Typo? 61 meant to be 16? In which case the next three terms are 25,36,49
« Last Edit: November 28, 2010, 07:29:43 pm by funkyducky »
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Chavi

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Re: Mathematical adventure (+Karma for solutions)
« Reply #4 on: November 28, 2010, 07:28:58 pm »
0
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stonecold

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Re: Mathematical adventure (+Karma for solutions)
« Reply #5 on: November 28, 2010, 07:29:25 pm »
0
2. Typo? 61 meant to be 16?

That's what I initially thought haha :P
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taiga

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Re: Mathematical adventure (+Karma for solutions)
« Reply #6 on: November 28, 2010, 07:31:31 pm »
0
LOL! nice

1st one is zero (x-x) ends up in there xD
vce: english, methods, spesh, chemistry, physics, geography.

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Chavi

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Re: Mathematical adventure (+Karma for solutions)
« Reply #7 on: November 28, 2010, 07:38:14 pm »
0
LOL! nice

1st one is zero (x-x) ends up in there xD
you're on a roll mate. :)
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Chavi

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Re: Mathematical adventure (+Karma for solutions)
« Reply #8 on: November 28, 2010, 07:39:26 pm »
0
LOL! nice

1st one is zero (x-x) ends up in there xD
"Sorry, you can't repeat a karma action without waiting 12 hours. " - damn.
Well +1 here for you again
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iNerd

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Re: Mathematical adventure (+Karma for solutions)
« Reply #9 on: November 28, 2010, 07:39:35 pm »
0
LOL! nice

1st one is zero (x-x) ends up in there xD
OMG that is smart. What a sexy question, I'm going to use this on my MHS nerd-friends :P

funkyducky

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Re: Mathematical adventure (+Karma for solutions)
« Reply #10 on: November 28, 2010, 07:48:08 pm »
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What's the rule for the sequence? It's neither arithmetic or geometric.
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stonecold

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Re: Chavi's Mathematical adventure (+Karma for solutions)
« Reply #11 on: November 28, 2010, 07:49:44 pm »
0
What's the rule for the sequence? It's neither arithmetic or geometric.

i also am intrigued!
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Chavi

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Re: Chavi's Mathematical adventure (+Karma for solutions)
« Reply #12 on: November 28, 2010, 07:52:39 pm »
+1
What's the rule for the sequence? It's neither arithmetic or geometric.
The more maths you know, the harder it is to complete
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funkyducky

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Re: Chavi's Mathematical adventure (+Karma for solutions)
« Reply #13 on: November 28, 2010, 07:57:57 pm »
0
x= (13^(1/2) +1)/2
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Chavi

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Re: Chavi's Mathematical adventure (+Karma for solutions)
« Reply #14 on: November 28, 2010, 08:00:12 pm »
0
x= (13^(1/2) +1)/2
haha yep +1.

Hint: for those considering the question: This requires gof(x) (nested functions).
2009: Math Methods CAS [48]
2010: English [47]|Specialist Maths[44]|Physics[42]|Hebrew[37]|Accounting[48]  atar: 99.80
My blog: http://diasporism.wordpress.com/