Login
Remember
Register
Studyrankersonline
All Activity
Questions
Unanswered
Categories
Users
Ask a Question
Ask a Question
B={x/x^2=x,xbelongs to R
0
votes
49
views
asked
Jul 13, 2019
in
Class XI Maths
by
Rohan Jain
(
15
points)
Please
log in
or
register
to answer this question.
0
Answers
Related questions
0
votes
1
answer
If the integers r > 1, n > 2 and coefficients of (3r)th and (r + 2)nd terms in the binomial expansion of (1 + x)2n are equal, then
asked
Feb 20, 2018
in
Class XI Maths
by
rahul152
(
-2,838
points)
binomial theorem
+1
vote
1
answer
Find the value of r, if the coefficients of (2r + 4)th and (r – 2)th terms in the expansion of (1 + x)18 are equal.
asked
Feb 19, 2018
in
Class XI Maths
by
vijay
Premium
(
539
points)
binomial theorem
0
votes
1
answer
Diiferentiate tan-1(a cos x - b sin x/b cos x + a sin x) ,-π/2 < x < π/2 and a/b tan x > -1 w.r.t.x.
asked
Mar 27, 2018
in
Class XII Maths
by
rahul152
(
-2,838
points)
continuity and differentiability
0
votes
1
answer
Let A = (1, 2, 3, ... , 9} and R be the relation in A x A defined by (a, b) R (c, d) if a+d=b+c for (a, b), (c, d)∈ A x A.
asked
Mar 21, 2018
in
Class XII Maths
by
rahul152
(
-2,838
points)
relations and functions
0
votes
1
answer
Let A = R - {3}, B = R - {1}. If f : A → B be defined by f(x) = (x-2)/(x-3)∀ x ∈ A.
asked
Mar 20, 2018
in
Class XII Maths
by
nikita74
(
-1,017
points)
relations and functions
0
votes
0
answers
A point moves so that the sum its distance from (ae, 0) and –ae, 0) is 2a. Prove that the equation to its locus is x^2/a^2 +y^2/b^2 =1. Wherea^2=a^2 (1-e^2).
asked
Nov 25, 2018
in
Class XI Maths
by
arun811
(
-61
points)
its urgent plzz answer fast !!!
0
votes
1
answer
If the line x/a + y/b passes through the points (2, -3) and (4, -5), then (a, b) a b is
asked
Feb 20, 2018
in
Class XI Maths
by
vijay
Premium
(
539
points)
straight lines
0
votes
1
answer
A company manufactures cassettes. Its cost and revenue functions are C(x) = 26000 + 30x and R(x) = 43x, respectively, where x is the number of cassettes produced and sold in a week.
asked
Feb 19, 2018
in
Class XI Maths
by
rahul152
(
-2,838
points)
linear inequalities
0
votes
1
answer
Let f (x) = √x and g(x) = x be two functions defined in the domain R+ ∪ {0}. Find
asked
Feb 16, 2018
in
Class XI Maths
by
vijay
Premium
(
539
points)
relations and functions
0
votes
1
answer
If R1 = {(x, y)| y = 2x + 7, where x∈ R and -5 ≤ x ≤ 5} is a relation. Then find the domain and range of R1.
asked
Feb 16, 2018
in
Class XI Maths
by
vijay
Premium
(
539
points)
relations and functions
Categories
All categories
Biology
(241)
Board Exams
(195)
Class XII Business Studies
(579)
Class XII Accountancy
(22)
Class XII Economics
(25)
Class XII Psychology
(12)
Class XII Political Science
(12)
Class XII Physical Education
(9)
Class XII English
(225)
Class XII Biology
(756)
Class XII Chemistry
(248)
Class XII Physics
(369)
Class XII Maths
(504)
Class XI Business Studies
(1.3k)
Class XI Accountancy
(29)
Class XI Economics
(37)
Class XI Psychology
(5)
Class XI Political Science
(62)
Class XI Physical Education
(26)
Class XI English
(62)
Class XI Biology
(2.9k)
Class XI Chemistry
(436)
Class XI Physics
(409)
Class XI Maths
(529)
Class X Social Science
(8.8k)
Class X Science
(6.7k)
Class X Maths
(1.8k)
Class X English
(1.1k)
Class X Hindi
(598)
Class X Computer
(12)
Class IX Social Science
(3.2k)
Class IX Science
(1.3k)
Class IX Maths
(1.8k)
Class IX English
(1.4k)
Class IX Hindi
(270)
Class IX Computer
(28)
Class VIII Social Science
(151)
Class VIII Science
(833)
Class VIII Maths
(1.0k)
Class VIII English
(73)
Class VIII Hindi
(95)
Class VIII Computer
(5)
Class VII Maths
(887)
Class VII Science
(726)
Class VII English
(10)
Class VII Social Science
(29)
Class VII Hindi
(6)
Class VII Computer
(6)
Class VI Maths
(1.0k)
Class VI Social Science
(8)
Class VI Science
(505)
Class VI English
(3)
Class VI Hindi
(5)
Class VI Computer
(5)
Sanskrit
(1)
Geography
(14)
History
(14)
Political Science
(11)
Who is Who
(0)
Other
(6.2k)
Exams
(5)
Science
(1.6k)
Important Questions
(3.9k)
Entertainment
(7)
...
