Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Recent questions tagged exercise8.1
Questions
The coefficients of the $(r-1)^{th},r^{th}$ and $(r+1)^{th}$ terms in the expansion of $(x+1)^n$ are in the ratio of $1 : 3 : 5$. Find both $n$ and $r$.
cbse
math
class11
ch8
binomial-theorem
exercise8.1
q10
sec-c
difficult
asked
Jun 23, 2014
by
sreemathi.v
1
answer
In the expansion of $(1+a)^{m+n}$,prove that coefficient of $a^m$ and $a^n$ are equal.
cbse
math
class11
ch8
binomial-theorem
exercise8.1
q9
sec-b
medium
asked
Jun 23, 2014
by
sreemathi.v
1
answer
Prove that $\sum\limits_{r=0}^n 3^{r-n}C_r=4^n$
cbse
math
class11
ch8
binomial-theorem
exercise8.1
q14
sec-b
medium
asked
Jun 23, 2014
by
sreemathi.v
1
answer
Show that $9^{n+1}-8n-9$ is divisible by 64 whenever n is a positive integer.
cbse
math
class11
ch8
binomial-theorem
exercise8.1
q13
sec-c
difficult
asked
Jun 23, 2014
by
sreemathi.v
1
answer
Find $(x+1)^6+(x-1)^6$ Hence or otherwise evaluate $(\sqrt 2+1)^6+(\sqrt 2-1)^6$
cbse
math
class11
ch8
binomial-theorem
exercise8.1
q12
sec-b
medium
asked
Jun 23, 2014
by
sreemathi.v
1
answer
Evaluate $(\sqrt 3+\sqrt 2)^4-(\sqrt 3-\sqrt 2)^4$
cbse
math
class11
ch8
binomial-theorem
exercise8.1
q11-ii
sec-b
medium
asked
Jun 23, 2014
by
sreemathi.v
1
answer
Find $(a+b)^4-(a-b)^4$.
cbse
math
class11
ch8
binomial-theorem
exercise8.1
q11-i
sec-b
medium
asked
Jun 23, 2014
by
sreemathi.v
1
answer
Using the Binomial theorem indicate which number is larger $(1-1)^{10000}$ or 1000
cbse
math
class11
ch8
binomial-theorem
exercise8.1
q10
sec-b
medium
asked
Jun 23, 2014
by
sreemathi.v
1
answer
Expand the expression:$(99)^5$
cbse
math
class11
ch8
binomial-theorem
exercise8.1
q9
sec-b
medium
asked
Jun 23, 2014
by
sreemathi.v
1
answer
Expand the expression:$(101)^4$
cbse
math
class11
ch8
binomial-theorem
exercise8.1
q8
sec-b
medium
asked
Jun 23, 2014
by
sreemathi.v
1
answer
Expand each of the expressions:$(102)^5$
cbse
math
class11
ch8
binomial-theorem
exercise8.1
q7
sec-b
medium
asked
Jun 20, 2014
by
sreemathi.v
1
answer
Expand each of the expressions:$(96)^3$
cbse
math
class11
ch8
binomial-theorem
exercise8.1
q6
sec-b
medium
asked
Jun 20, 2014
by
sreemathi.v
1
answer
Expand each of the expressions:$\big(x+\large\frac{1}{x}\big)^6$
cbse
math
class11
ch8
binomial-theorem
exercise8.1
q5
sec-b
medium
asked
Jun 20, 2014
by
sreemathi.v
1
answer
Expand each of the expressions:$\big(\large\frac{x}{3}+\frac{1}{x}\big)^5$
cbse
math
class11
ch8
binomial-theorem
exercise8.1
q4
sec-b
medium
asked
Jun 20, 2014
by
sreemathi.v
1
answer
Expand each of the expressions:$(2x-3)^6$
cbse
math
class11
ch8
binomial-theorem
exercise8.1
q3
sec-b
medium
asked
Jun 20, 2014
by
sreemathi.v
1
answer
Expand each of the expressions:$\big(\large\frac{2}{x}-\frac{x}{2}\big)^5$
cbse
math
class11
ch8
binomial-theorem
exercise8.1
q2
sec-b
medium
asked
Jun 20, 2014
by
sreemathi.v
1
answer
Expand each of the expressions:$(1-2x)^5$
cbse
math
class11
ch8
binomial-theorem
exercise8.1
q1
sec-b
medium
asked
Jun 20, 2014
by
sreemathi.v
1
answer
To see more, click for the
full list of questions
or
popular tags
.
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...