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Recent questions tagged jee
+1
vote
1
answer
If (x + iy)^3 = u + iv, then show that u/x + v/y = 4(x^2 – y^2)
asked
Apr 6, 2019
in
JEE
by
kratos
jee
quadratic equations
jee mains
complex number
class-12
+2
votes
1
answer
When did india play its first complete test series of 3 test matches and against which team and which field and their captain?
asked
Mar 29, 2019
in
JEE
by
kratos
csat
reproductive health
jee
permutations and combinations
jee mains
sports & games
arithmetic
class-12
+3
votes
1
answer
Find the distance between P (x1, y1) and Q (x2, y2) when : (i) PQ is parallel to the y-axis, (ii) PQ is parallel to the x-axis.
asked
Mar 28, 2019
in
JEE
by
kratos
straight lines
class-11
jee
jee mains
coordinate geometry
+3
votes
1
answer
If sinx=3÷5, cosy=-12÷13, where x and y both lie in second quadrant find the value of sin(x+y)
asked
Mar 18, 2019
in
JEE
by
kratos
trigonometry
class-11
jee
class-9
jee mains
coordinate geometry
trigonometric functions
+2
votes
1
answer
Which of the following are Aprotic acids?
asked
Mar 12, 2019
in
Class 12
by
kratos
neet
jee
aiims
acids bases and salts
class-10
jee mains
equilibrium
+1
vote
1
answer
For how many integral values of n is, n^2+7n+14 is a perfect square of an integer?
asked
Mar 11, 2019
in
JEE
by
kratos
number-system
geometry
number system
jee
class-6
class-10
class-7
triangles
jee mains
coordinate geometry
real numbers
rational numbers
+3
votes
1
answer
Find a positive value of m for which the coefficient of x^2 in the expansion (1 + x)^m is 6.
asked
Mar 7, 2019
in
JEE
by
kratos
class-11
jee
class-10
jee mains
binomial theorem
sequences and series
+1
vote
1
answer
L be a line 2x+y=2 .If the axes are rotated by 45 degrees then find the intercepts made by the line on the new axes.
asked
Mar 6, 2019
in
JEE
by
kratos
straight lines
jee
class-10
jee mains
coordinate geometry
+3
votes
1
answer
The coefficients of the (r – 1)th, rth and (r + 1)th terms in the expansion of (x + 1)^n are in the ratio 1 : 3 : 5. Find n and r.
asked
Mar 5, 2019
in
JEE
by
kratos
class-11
jee
class-10
jee mains
binomial theorem
sequences and series
+2
votes
1
answer
Without using distance formula, show that points (– 2, – 1), (4, 0), (3, 3) and (–3, 2) are the vertices of a parallelogram.
asked
Mar 3, 2019
in
JEE
by
kratos
straight lines
class-11
jee
class-10
jee mains
coordinate geometry
+2
votes
1
answer
What will be the sign of sin1.sin2.sin3 ? (positive or negative). Please explain.
asked
Feb 26, 2019
in
JEE
by
kratos
trigonometry
jee
trigonometric identities
jee mains
inverse trigonometric functions
+2
votes
1
answer
How many words, with or without meaning, each of 2 vowels and 3 consonants can be formed from the letters of the word DAUGHTER ?
asked
Feb 22, 2019
in
JEE
by
kratos
class-11
jee
permutations and combinations
class-9
jee mains
+3
votes
1
answer
Find the principal solution of the equation tanx=-1
asked
Feb 22, 2019
in
JEE
by
kratos
trigonometric functions
trigonometry
class-12
class-11
jee
jee advanced
+3
votes
1
answer
Explain the concept of parabola and hyperbola.
asked
Feb 21, 2019
in
JEE
by
kratos
hyperbola
algebra
ellipse
oscillations
class-11
jee
class-10
applications of differential calculus
jee mains
class-12
+2
votes
1
answer
materials are used to make hydraulic lift?
asked
Feb 21, 2019
in
JEE
by
kratos
class-8
jee main 2021
fluids
class-11
jee
thermodynamics
class-9
pressure
force
jee main
manometers
barometers
+3
votes
1
answer
In which part of india was the first F1grand prix held in 2011?
asked
Feb 20, 2019
in
JEE
by
kratos
in celebration of being alive
csat
jee main 2021
jee
jee main
sports & games
class-12
+3
votes
1
answer
Let f = {( x, sqr(x)/1+sqr( x)) : x x08x03 x04 Î R} be a function from R into R. Determine the range of f.
asked
Feb 18, 2019
in
JEE
by
kratos
relation
jee
function
relations and functions
jee mains
+3
votes
1
answer
If a + ib = (x + i)^2/(2x^2 +1), Prove that a^2 + b^2 = (x^2+1)^2/(2x^2+1)^2
asked
Feb 14, 2019
in
JEE
by
kratos
jee
quadratic equations
jee mains
complex number
class-12
+3
votes
1
answer
If A1, A2 are two AMs between two numbers a and b, then express (2A1-A2)(2A2-A1) in terms of a and b.
asked
Feb 9, 2019
in
JEE
by
kratos
vector algebra
class-11
jee
jee mains 2019
jee mains
binomial theorem
+3
votes
1
answer
Find the value of x for which the points (x, – 1), (2,1) and (4, 5) are collinear.
asked
Feb 7, 2019
in
JEE
by
kratos
straight lines
class-11
jee
jee mains
coordinate geometry
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