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Recent questions tagged harmonic progression
+1
vote
1
answer
Let a,b be positive real numbers. lf a, A1, A2, b are in arithmetic progression,
asked
Apr 5, 2019
in
JEE
by
kratos
jee advanced 2020
jee
harmonic progression
class-10
jee mains
sequences and series
+2
votes
1
answer
If a, a1 , a2 , a3 , ..........,a2n, b are in AP and a, g1 , g2 , g3 , .....................g2n,
asked
Apr 4, 2019
in
JEE
by
kratos
jee
harmonic progression
class-10
jee mains
sequences and series
+3
votes
1
answer
Find the 31st term of an AP whose 11th term is 38 and 16th term is 73.
asked
Mar 29, 2019
in
Mathematics
by
kratos
cbse
arithmetic progression
ncert class 10 maths
harmonic progression
class-10
+2
votes
1
answer
If mth, nth and rth terms of an AP are x, y and z respectively, then prove that: m(y – z) + n(z – x) + r(x – y) = 0
asked
Feb 27, 2019
in
JEE
by
kratos
cbse.
jee
harmonic progression
class-10
jee mains
triangles
binomial theorem
sequences and series
+3
votes
1
answer
If ax + by = 1, px^2 + qy^2 - 1 = 0 have only one root then (a) a^2/p + b^2/q = 1
asked
Feb 18, 2019
in
JEE
by
kratos
algebraic expressions
factorisation
class-8
jee
quadratic equations
harmonic progression
class-10
jee mains
+1
vote
1
answer
If a, b, c, be the distance travelled by a particle moving with a constant acceleration during the lth, mth and nth seconds
asked
Feb 6, 2019
in
Class 12
by
kratos
motion in a straight line
neet
class-11
harmonic progression
class-10
+2
votes
1
answer
Consider the set of all lines px + qy + r = 0 such that 3p + 2q + 4r = 0. Which one of the following statements is true?
asked
Feb 2, 2019
in
JEE
by
kratos
straight lines
jee
harmonic progression
matrices
class-10
determinants
parabola
jee mains
+1
vote
1
answer
If A is the arithmetic mean and G1, G2 be two geometric means between any two numbers, then prove that
asked
Jan 6, 2019
in
JEE
by
kratos
class-11
jee
harmonic progression
class-10
jee mains
sequences and series
+2
votes
1
answer
If a1,a2,a3, ......an are in HP, then a1a2 + a2a3 + .....+ an - 1an will be equal to
asked
Dec 29, 2018
in
JEE
by
kratos
jee
harmonic progression
class-10
jee mains
binomial theorem
sequences and series
+3
votes
1
answer
If two arithmetic means A1 , A2 , two geometric means G1 , G2 and two harmonic means H1 , H2 are inserted between two numbers p and q then _____
asked
Dec 21, 2018
in
Class 11
by
kratos
class-11
harmonic progression
class-10
sequence
progression and series
sequences and series
bitsat
+1
vote
1
answer
11th: What is Mole?
asked
Nov 28, 2018
in
Class 12
by
kratos
through the eyes of travellers
measurements
reproductive health
class-11
class-6
harmonic progression
class-10
tamil computing
class-12
+3
votes
1
answer
Find the 31st term of an A.P. whose 11th term is 38 and 16th term is 73
asked
Nov 23, 2018
in
Mathematics
by
kratos
cbse
arithmetic progression
jee
ncert class 10 maths
harmonic progression
class-10
jee mains
binomial theorem
+3
votes
1
answer
If a1, a2,...,an are in HP, then the expression at a1a2 + a2a3 + ...+ an - 1 an is equal to
asked
Nov 23, 2018
in
JEE
by
kratos
jee
harmonic progression
class-10
jee mains
binomial theorem
sequences and series
+3
votes
1
answer
Two A.M.’* A1 and A2, two G.M.’* G1 and G2 and two H.M’* H1 and H2 are inserted between any two number,
asked
Oct 1, 2018
in
JEE
by
kratos
class-11
jee
harmonic progression
class-10
sequence
jee mains
progression and series
sequences and series
bitsat
+1
vote
1
answer
If 5th term of an HP is 1/45 and the 11th terms is 1/69, then its 16th terms will be
asked
Sep 26, 2018
in
JEE
by
kratos
jee
harmonic progression
class-10
jee mains
binomial theorem
+1
vote
1
answer
If roots of ax^2+ bx + c = 0 are equal then which of the following is
asked
Sep 14, 2018
in
Class 10
by
kratos
quadratic equations
harmonic progression
class-9
class-10
sequences and series
+1
vote
1
answer
Let A1,A2 ,A3, .....,An be the vertices of an n-sided polygon such that 1/A1A2 = 1/A1A3 + 1/A1A4. Find the value of n.
asked
Jul 17, 2018
in
JEE
by
kratos
properties of triangles
jee
harmonic progression
class-10
jee mains
rmo
sequences and series
triangle
+3
votes
1
answer
If the sum of the roots of the equation ax^2 + bx + c = 0 is equal to the sum of the squares of their
asked
Jul 5, 2018
in
JEE
by
kratos
jee
harmonic progression
class-10
jee mains
sequences and series
+2
votes
1
answer
(a) If a1, a2 ,....., an are in arithmetic progression, where ai > 0 for all i show that
asked
Jun 9, 2018
in
JEE
by
kratos
class-11
jee
harmonic progression
class-10
jee mains
sequences and series
+2
votes
1
answer
A= a + A1 + A2 + …..+ AN + b B = a + G1+ G2+ ….+ GN + b
asked
Jun 9, 2018
in
JEE
by
kratos
class-11
jee
harmonic progression
class-10
sequence
progression and series
jee mains
binomial theorem
class-12
sequences and series
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