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Recent questions in CBSE XI
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CBSE XI
CBSE XI
Math
Physics
Chemistry
Biology
Find $a_9$ if $a_n=(-1)^{n-1}.n^3$
cbse
class11
ch9
bookproblem
exercise9-1
easy
sec-a
q9
math
sequences-and-series
asked
Feb 18, 2014
by
rvidyagovindarajan_1
1
answer
Find $a_7$ if $a_n=\large\frac{n^2}{2^{n}}$
cbse
class11
ch9
bookproblem
exercise9-1
sec-a
easy
q8
math
sequences-and-series
asked
Feb 18, 2014
by
rvidyagovindarajan_1
1
answer
Find $a_{17},\:a_{24}$ if $a_n=4n-3$
cbse
class11
ch9
bookproblem
exercise9-1
sec-a
easy
q7
math
sequences-and-series
asked
Feb 17, 2014
by
rvidyagovindarajan_1
1
answer
Find the first 5 terms of the sequence whose general term is $t_n=n.\large\frac{n^2+5}{4}$
cbse
class11
bookproblem
ch9
exercise9-1
sec-a
q6
easy
math
sequences-and-series
asked
Feb 17, 2014
by
rvidyagovindarajan_1
1
answer
Find the first $5$ terms of the sequence whose general term is $t_n=(-1)^{n-1}.\:5^{n+1}$
cbse
class11
ch9
bookproblem
exercise9-1
sec-a
q5
easy
math
sequences-and-series
asked
Feb 17, 2014
by
rvidyagovindarajan_1
1
answer
Find the first 5 terms of the series whose general term is given by $t_n=\large\frac{2n-3}{6}$
cbse
class11
ch9
bookproblem
exercise9-1
sec-a
q4
easy
math
sequences-and-series
asked
Feb 17, 2014
by
rvidyagovindarajan_1
1
answer
Find the first $5$ terms of the sequence whose $n^{th}$ term is given by $t_n=2^n$
cbse
class11
ch9
bookproblem
exercise9-1
sec-a
q3
easy
math
sequences-and-series
asked
Feb 17, 2014
by
rvidyagovindarajan_1
1
answer
Find the first 5 terms of the sequence whose $n^{th}$ term is given by $t_n=\large\frac{n}{n+1}$
cbse
class11
bookproblem
ch9
exercise9-1
sec-a
q2
easy
math
sequences-and-series
asked
Feb 17, 2014
by
rvidyagovindarajan_1
1
answer
Find the first 5 terms of the series whose $n^{th} $ term is $a_n=n(n+2)$
cbse
class11
bookproblem
ch9
exercise9-1
easy
sec-a
q1
math
sequences-and-series
asked
Feb 15, 2014
by
rvidyagovindarajan_1
1
answer
(n+2)! = 60(n-1)!
cbse
class11
sec-b
medium
asked
Jun 4, 2013
by
munluohaupu
1
answer
The range of $f (x)=\large\frac{1+x^2}{x^2}$ is
jeemain
math
class11
ch2
relations-and-functions
functions
easy
asked
Apr 28, 2013
by
rvidyagovindarajan_1
1
answer
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