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Recent questions tagged progression
+3
votes
1
answer
Insert 4 H.M between 2/3 and 2/13.
asked
Apr 6, 2019
in
JEE
by
kratos
progression
jee
sequence
jee mains
+3
votes
1
answer
If ai > 0 ∀ i ∈ N such that ∏ ai i ∈ [i = 1, n] = 1 then prove that (1 + a1) (1 + a2) (1 + a3) ........(1 + an) ≥ 2^n
asked
Mar 28, 2019
in
JEE
by
kratos
progression
jee
sequence
jee mains
+3
votes
1
answer
Find the value of the expression ∑ i∈ [i = 1, n] ∑ j∈ [j = 1, i] ∑ k ∈ [k = 1, j]
asked
Mar 27, 2019
in
JEE
by
kratos
progression
jee
sequence
jee mains
+3
votes
1
answer
If t54 of an A.P. is – 61 and t4 = 64, find t10.
asked
Mar 11, 2019
in
JEE
by
kratos
progression
jee
sequence
jee mains
+1
vote
1
answer
Find the sum of all natural numbers divisible by 5, but less than 100.
asked
Mar 4, 2019
in
JEE
by
kratos
progression
jee
sequence
jee mains
+2
votes
1
answer
Find the sum to n-terms of the series 1.2 + 2.3 + 3.4 + ............
asked
Feb 26, 2019
in
JEE
by
kratos
progression
jee
sequence
jee mains
+1
vote
1
answer
Insert 4 G.M.* between 2 and 486.
asked
Feb 24, 2019
in
JEE
by
kratos
progression
jee
sequence
jee mains
+3
votes
1
answer
Between two numbers whose sum is 13/6, an even number of A.M.* is inserted, the sum of these means exceeds their number by unity.
asked
Feb 23, 2019
in
JEE
by
kratos
progression
jee
sequence
jee mains
+3
votes
1
answer
If the ratio of the sums of first n term of two A.P'* is (7n + 1) : (4n + 27), find the ratio of their mth terms.
asked
Feb 20, 2019
in
JEE
by
kratos
cbse
progression
arithmetic progression
jee
class-10
sequence
jee mains
+2
votes
1
answer
The sum of first n terms of an AP is given by Sn = 2n^2 + 3n. Find the sixteenth term of the AP.
asked
Feb 3, 2019
in
JEE
by
kratos
cbse
progression
arithmetic progression
jee
class-11
class-10
sequence
jee mains
sequences and series
+1
vote
1
answer
Find the general term and sum of n terms of the series 9, 16, 29, 54, 103
asked
Jan 4, 2019
in
JEE
by
kratos
progression
jee
sequence
jee mains
+3
votes
1
answer
Evaluate 1 + (1 + b) r + (1 + b + b^2) r^2 + ......... to infinite terms for |br| < 1.
asked
Jan 1, 2019
in
JEE
by
kratos
progression
jee
sequence
jee mains
+1
vote
1
answer
Greatest positive term of a H.P. whose first two terms are 2/5 and 12/23 is–
asked
Dec 26, 2018
in
JEE
by
kratos
progression
jee
sequence
jee mains
wbjee
binomial theorem
alternating current
class-12
+3
votes
1
answer
Let λ = ∫dx/1 + x^3 , x ∈ [0, 1], p = limn→∞[(∏(n^3 + r^3), n ∈ [r=1, n])/ n^3n ]1/n , then lnp is equal to
asked
Dec 18, 2018
in
JEE
by
kratos
progression
jee
differentiation
acet
plant growth and development
sequence
jee mains
+2
votes
1
answer
Let a, b, c be positive real numbers, such that bx^2 + √(a + c)^2 + 4b^2 x + (a + c) ≥ 0 ∀ x ∈ R then a, b, c are in –
asked
Dec 12, 2018
in
JEE
by
kratos
progression
jee
relations and functions
sequence
jee mains
binomial theorem
limit
differentiability
continuity
sets
+3
votes
1
answer
The A.M. of two numbers exceeds the G.M. by 3/2 and the G.M. exceeds the H.M. by 6/5; find the numbers.
asked
Dec 10, 2018
in
JEE
by
kratos
progression
jee
sequence
jee mains
+2
votes
1
answer
Find the number of terms in the sequence 4, 12, 20, ........108.
asked
Dec 7, 2018
in
JEE
by
kratos
progression
jee
sequence
jee mains
+1
vote
1
answer
Evaluate 1 + 2x + 3x^2 + 4x^3 + ......... upto infinity where | x | < 1.
asked
Dec 2, 2018
in
JEE
by
kratos
progression
jee
sequence
jee mains
+2
votes
1
answer
The first term of an infinite G.P. is 1 and any term is equal to the sum of all the succeeding terms. Find the series.
asked
Dec 2, 2018
in
JEE
by
kratos
progression
jee
sequence
jee mains
+2
votes
1
answer
sum of the series upto infinity
asked
Nov 28, 2018
in
JEE
by
kratos
progression
jee
sequence
jee mains
sequences and series
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