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#226 2009-03-08 17:30:28
- ganesh
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Re: 5 Star Questions
#223. Solve the quadratic equation
#224. Find the values of A, B, C, and D if
.
#225. Simplify:
.
#226. If 2b = (a+c), show that the equation
has equal roots.
Character is who you are when no one is looking.
#227 2009-03-12 06:08:03
- ganesh
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Re: 5 Star Questions
#227. Let PS be the median of the trianglewith vertices P(2,2), Q(6,-1), and R(7,3). What is the equation of the line passing through (1,-1) and parallel to PS?
#228. If a circle is concentric with the circle x2+y2-4x-6y+9 = 0 and passes through the point (-4,-5), what is its equation?
#229. If e1 is the eccentricity of the ellipse
and if e2 is the eccentricity of he hyperbola
, then what is the value of
?
#230. What is the vertex of the parabola y2 = 5x+4y+1?
#231. If the angle between the lines joining the lines joining the foci of an ellipse to an extremity of the minor axis is 90°, what is the eccentricity of the ellipse?
Character is who you are when no one is looking.
#228 2009-03-19 02:33:18
- ganesh
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Re: 5 Star Questions
#232. The sum of the two roots of a quadratic equation is
#233. A five digit number divisible by 3 is to be formed using the digits 0, 1, 2, 3, 4, and 5 without repetition. What is the total number of different ways in which this can be done?
#234. What is the coefficient of xn in
?
Character is who you are when no one is looking.
#229 2009-04-02 03:46:38
- ganesh
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Re: 5 Star Questions
#235. If n is a positive integer, prove that
#236. Show that
.
Character is who you are when no one is looking.
#230 2009-04-03 03:16:30
- ganesh
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Re: 5 Star Questions
#237. If in an Arithmetic progression, the su of p terms is equal to q and the sum of q terms is equal to p, and the sum of q terms is equal to p, prove that the sum of (p+q) terms is equal to
-(p+q).
#238. given
find
.
Character is who you are when no one is looking.
#231 2009-07-17 13:23:29
- bobbym
- Administrator
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Re: 5 Star Questions
Last edited by bobbym (2009-07-17 13:53:37)
In mathematics, you don't understand things. You just get used to them.
90% of mathematicians do not understand 90% of currently published mathematics.
I am willing to wager that over 75% of the new words that appeared were nothing more than spelling errors that caught on.
#232 2011-12-29 03:32:47
- anonimnystefy
- Real Member
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Re: 5 Star Questions
hi ganesh
#235
Last edited by anonimnystefy (2011-12-29 03:36:29)
The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“A secret's worth depends on the people from whom it must be kept.” ― Carlos Ruiz Zafón
#233 2011-12-29 10:10:54
- bobbym
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Re: 5 Star Questions
Hi ganesh;
In mathematics, you don't understand things. You just get used to them.
90% of mathematicians do not understand 90% of currently published mathematics.
I am willing to wager that over 75% of the new words that appeared were nothing more than spelling errors that caught on.
#234 2012-03-23 16:50:06
- Denominator
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Re: 5 Star Questions
Hey guys,
The ones I answered:
The rest are too hard for me XD
Last edited by Denominator (2012-03-24 06:51:21)