>
Exams
>
Mathematics
>
Algebra
>
1 2 5 1 5 8 1 8 11 1 3n 1 3n 2 is equal to
Question:
\(\frac{1}{2.5}+\frac{1}{5.8}+\frac{1}{8.11}+...+\frac{1}{(3n-1)(3n+2)}\)
is equal to
SRMJEEE - 2019
SRMJEEE
Updated On:
Oct 4, 2024
\(\frac{n}{3n+2}\)
\(\frac{n}{5n+4}\)
\(\frac{n}{6n+2}\)
\(\frac{n}{6n+4}\)
Hide Solution
Verified By Collegedunia
The Correct Option is
D
Solution and Explanation
The correct option is (D):
\(\frac{n}{6n+4}\)
Download Solution in PDF
Was this answer helpful?
0
0
Top Questions on Algebra
Let the direction cosines of two lines satisfy the equations : \( 4l + m - n = 0 \) and \( 2mn + 5nl + 3lm = 0 \). Then the cosine of the acute angle between these lines is :
JEE Main - 2026
Mathematics
Algebra
View Solution
Expand \( (2x-3y)^5 \) using the Binomial Theorem.
Mizoram (MBSE) Class XII - 2026
Business Mathematics
Algebra
View Solution
Consider the 10 observations 2, 3, 5, 10, 11, 13, 15, 21, a and b such that mean of observation is a and variance is 34.2. Then the mean deviation about median, is :
JEE Main - 2026
Mathematics
Algebra
View Solution
Let \( S = \{x^3 + ax^2 + bx + c : a, b, c \in \mathbb{N} \text{ and } a, b, c \le 20\} \) be a set of polynomials. Then the number of polynomials in \( S \), which are divisible by \( x^2 + 2 \), is:
JEE Main - 2026
Mathematics
Algebra
View Solution
If \[ \sum_{r=1}^{25}\frac{r}{r^4+r^2+1}=\frac{p}{q}, \] where \(p\) and \(q\) are coprime positive integers, then \(p+q\) is equal to:
JEE Main - 2026
Mathematics
Algebra
View Solution
View More Questions
Questions Asked in SRMJEEE exam
Markovnikov's rule is applicable to which of the following reactions?
SRMJEEE - 2025
Chemical Reactions
View Solution
Calculate the Reynolds number for a liquid with density 1 g/cm³ and viscosity 8 × 10⁻⁴ Pa·s, flowing at 0.5 m/s through a pipe of diameter 4 cm.
SRMJEEE - 2025
Viscosity
View Solution
A current of 2 A passes through a coil of 100 turns, producing a magnetic flux of 5 × 10⁻⁵ Wb per turn. What is the magnetic energy associated with the coil?
SRMJEEE - 2025
Magnetic Field
View Solution
A box contains 5 red balls and 7 blue balls. Two balls are drawn at random without replacement. What is the probability that both balls are red?
SRMJEEE - 2025
Probability
View Solution
The molar conductivities at infinite dilution for Na₂SO₄, K₂SO₄, KCl, HCl, and HCOONa at 300 K are 260, 308, 150, 426, and 105 S·cm²·mol⁻¹, respectively. What will be the molar conductivity at infinite dilution (Λ⁰) for formic acid in the same unit?
SRMJEEE - 2025
Mole concept and Molar Masses
View Solution
View More Questions