If the sum of \( n \) terms of a sequence is given by \( S_{n}=2 n^...

Channel:
PW Solutions
Subscribers:
449,000
Published on ● Video Link: https://www.youtube.com/watch?v=1_Yi3SfOS-Y


Duration: 4:38
6 views
0

If the sum of \( n \) terms of a sequence is given by \( S_{n}=2 n^{2}+3 n \) for all \( n \in \mathbf{N} \), find the first 4 terms. Also find its 20 th term.
\( \mathrm{P} \)
W
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-02-13If 7 times the 7 th term of an A.P. is equal to 11 times its 11 th ...
2023-02-13After partial roasting, the sulphide of copper is reduced by (1) Re...
2023-02-13Write equations for (i) Borodine Hunsdiecker reaction W
2023-02-13A. If both Assertion \& Reason are True \& the Reason is a correct ...
2023-02-13The weight of silver (at wt. \( =108 \) ) displaced by a quantity o...
2023-02-13How may the two substances in each of the following pairs be distinguished from each other? \[ \...
2023-02-13Find the molarity of water. Given: \( \rho=1000 \mathrm{~kg} / \mat...
2023-02-13Write the next term of each of the following sequences : \[ 6,9,16,...
2023-02-13A. If both Assertion \& Reason are True \& the Reason is a correct ...
2023-02-13If three successive coefficients in the expansion of \( (1+x)^{n} \...
2023-02-13If the sum of \( n \) terms of a sequence is given by \( S_{n}=2 n^...
2023-02-13Which of the following statement is false? (a) Optical isomerism ca...
2023-02-13A. If both Assertion \& Reason are True \& the Reason is a correct ...
2023-02-13Let \( n \) be a positive integer. If the coefficients of \( 2 \mat...
2023-02-13Which of the following processes does not involve a catalyst \( \ma...
2023-02-13Select correct pair of complexes that exhibit same type of isomeris...
2023-02-13During electrolysis of sulphuric acid, which of the following proce...
2023-02-13A. If both Assertion \& Reason are True \& the Reason is a correct ...
2023-02-13A. If both Assertion \& Reason are True \& the Reason is a correct ...
2023-02-13The coefficients of the \( (r-1) \) th, \( r \) th and \( (r+1) \) ...
2023-02-13Select incorrect statement about complex \( \left[\mathrm{Cr}\left(...


Tags:
pw