1
Manmay kumar Mohanty
·2010-05-10 04:09:28
Q1)
If D_{r}=\begin{vmatrix} 2^{r-1} & 2.3^{r-1} & 4.5^{r-1}\\ \alpha & \beta & \gamma \\ 2^{n}-1& 3^{n}-1 &5^{n}-1 \end{vmatrix} , then the value of \sum_{r=1}^{n}{D_{r}} is equal to :
a) \alpha +\beta +\gamma
b) \alpha.2^{n} +\beta.3^{n} +\gamma. 4^{n}
c) 0
d) \alpha \beta \gamma
4
UTTARA
·2010-05-10 04:52:34
@Manmay : Was this qs from ur "REAL BITS " exam 2 day ??
How was the paper (overall ) ??
1
Manmay kumar Mohanty
·2010-05-10 04:54:13
no no
my exam for BITS is on May 28.
4
UTTARA
·2010-05-10 04:55:31
oh fine This thread was for "REAL BITS " exam qs
Thats y i asked sry :)
1
Manmay kumar Mohanty
·2010-05-10 04:57:27
didn't notice that it was for real bits
4
UTTARA
·2010-05-13 11:21:48
Those who have finished with their main BITSAT plzz keep posting updates here
1
Akshay Pamnani
·2010-05-14 06:43:47
kal BITSAT hai
will try and remember as many questions as possible
1
Sridhar M
·2010-05-14 07:01:03
The composition of Siderite is........
4
UTTARA
·2010-05-14 07:05:25
It is a mineral composed of FeCO3 (48% Fe) + traces of Mg & Mn also i think
1
Sridhar M
·2010-05-14 07:10:49
What is the use of ZSM-5?
1
Shreyan
·2010-05-16 09:37:46
ZSM-5 converts alcohols directly into gasoline by dehydrating them to give a mixture of hydrocarbos
(source: NCERT page 131)
1
katoch
·2010-05-17 20:52:14
ZSM-5 IS A ZEOLITE WHICH IS USED IN CRACKING OF PETROLEUM.
ZSM-5 converts alcohols directly into gasoline by dehydrating them to give a mixture of hydrocarbons.
zeolite have a characteristics of porous structure. that helps them for enhancement of the reaction.
106
Asish Mahapatra
·2010-05-30 19:48:27
1. What is the nature of the first hundred digits after the decimal point in the value of (36+√3599)100 ?