Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Recent questions tagged q24
Questions
A person standing at the junction (crossing) of two straight paths represented by the equations $2x – 3y + 4 = 0$ and $3x + 4y – 5 = 0 $ wants to reach the path whose equation is $6x – 7y + 8 = 0$ in the least time. Find equation of the path that he should follow.
cbse
class11
ch10
straight-lines
bookproblem
misc
sec-c
q24
difficult
asked
May 23, 2014
by
thanvigandhi_1
1
answer
A sports team of 11 students is to be constituted,choosing at least 5 from class XI and 6 from XII.If there are 20 students in each of these classes,in how many ways can the team be constituted?
cbse
math
class11
ch7
permutations-and-combinations
exercise7-3
exemplar
q24
sec-b
medium
asked
May 15, 2014
by
sreemathi.v
1
answer
Prove that, $ \large\frac{1}{n+1}$$+ \large\frac{1}{n+2}$$+...+\large\frac{1}{2n}$$ > \large\frac{13}{24}$, for all natural numbers $n > 1$ by using principle of mathematical induction.
cbse
class11
ch4
mathematical-induction
exemplar
q24
asked
May 6, 2014
by
thanvigandhi_1
0
answers
Prove the following by using the principle of mathematical induction for all $n \in N$ \[\] $ (2n+7) < (n+3)^2$
cbse
class11
ch4
mathematical-induction
bookproblem
sec3
exercise-4.1
q24
asked
May 1, 2014
by
thanvigandhi_1
1
answer
If $x=\sec\phi-\tan\phi$ and $y=cosec\phi+\cot \phi$ then show that $xy+x-y+1=0$
cbse
math
class11
ch3
trigonometric-functions
exemplar
q24
sec-c
difficult
asked
Apr 20, 2014
by
sreemathi.v
1
answer
Prove : $\cos 4x=1-8\sin^2x\cos^2x$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q24
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Find the derivative of the following functions ( it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers ) $(ax^2+\sin x) (p+q \: \cos x)$
math
cbse
class11
ch13
limits-and-derivatives
bookproblem
misc
p317-318
q24
asked
Apr 14, 2014
by
thanvigandhi_1
1
answer
Hydrogen $\bigg( _1H^1\bigg)$, Deuterium $\bigg(_1H^2 \bigg)$, singly ionised Helium $\bigg(_2He^{4}\bigg)^+$ and doubly ionised . Consider an electron transition from $n = 2$ to $n = 1$. If the wave lengths of emitted radiation are $\lambda _1, \lambda_2, \lambda_3\;and \;\lambda_4$ respectively then approximately which one of the following is correct?
jeemain
jeemain-2014
physics
q24
medium
asked
Apr 7, 2014
by
meena.p
1
answer
Find $ \lim\limits_{ x \to 1} f(x)$, where $f(x)=\left\{\begin{array}{1 1}x^2-1, &x \leq 1\\-x^2-1, &x>1\end{array}\right.$
math
cbse
class11
ch13
limits-and-derivatives
bookproblem
limits
exercise13-1
p301-303
q24
asked
Apr 5, 2014
by
thanvigandhi_1
1
answer
If $S_1,S_2,S_3$ are the sum of $n$ natural numbers,sum of their squares and sum of their cubes respectively then Show that $9S_2^2=S_3(1+8S_1)$
cbse
class11
ch9
bookproblem
misc
sec-a
medium
q24
math
sequences-and-series
asked
Apr 2, 2014
by
rvidyagovindarajan_1
1
answer
The disease albinism is caused by the deficiency of enzyme
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
easy
q24
asked
Mar 27, 2014
by
thanvigandhi_1
1
answer
Using integration, find the area of the region bounded by the triangle whose vertices are (-1, 2) ( 1, 5) and ( 3, 4)
modelpaper-2014-chennai
cbse
class12
math
sec-c
q24
asked
Mar 25, 2014
by
thanvigandhi_1
1
answer
Unpleasant smell of carbylamines is obtained when chloroform and alcoholic $KOH$ are treated with
jeemain
aipmt
chemistry
nitrogen
organic-chemistry
cbse
class12
unit13
q24
medium
asked
Mar 22, 2014
by
thanvigandhi_1
1
answer
In the extraction of iron $Fe_2O_3$ is reduced by
jeemain
cbse
chemistry
class12
unit6
general-principals-and-processes-of-isolation-of-metals
q24
medium
asked
Mar 17, 2014
by
meena.p
1
answer
Page:
« prev
1
2
3
4
5
6
next »
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...