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CBSE - XI Science - Maths - Sequences and Series
Compute the sum of all 2-digit prime numbers p such that there exists a prime number q for which 100q+p is a perfect square. Name this sum as A, find the sum of digits of A.
Asked by Bhaveshkr211
30th July 2023,
5:20 PM
CBSE - XI Science - Maths - Sequences and Series
Reduce the matrix A(given below) to normal form and hence find its rank.
Asked by rahulksinha200
16th October 2021,
2:08 PM
CBSE - XI Science - Maths - Sequences and Series
find the number of terms comon to two A.P.'s : 3,7,11,.....,407 and 2,9,16,....,709.
Asked by shivangkarol
16th June 2021,
1:18 PM
CBSE - XI Science - Maths - Sequences and Series
find |adjAB|
Asked by shivaye182001
13th October 2020,
7:40 AM
CBSE - XI Science - Maths - Sequences and Series
Kindly answer.
Asked by Kchawla94
3rd March 2019,
9:15 PM
CBSE - XI Science - Maths - Sequences and Series
20th sum
Asked by lovemaan5500
15th June 2018,
6:57 AM
CBSE - XI Science - Maths - Sequences and Series
If S be the sum of (2n+1) terms of an AP and S1 that of alternate terms beginning with the first ,then show that S/S1 =2n+1/n+1
Asked by nk.pandit02
13th March 2017,
7:03 PM
CBSE - XI Science - Maths - Sequences and Series
why we have use log in this question:
1+3+9+27+.....n terms>7000.Find n?Is there any other way to solve this without using log?
Asked by Sugandha
23rd December 2016,
10:17 AM
CBSE - XI Science - Maths - Sequences and Series
why we have taken these numbers as 13,16,19,22,25. Why not 11.5,14.5,17.5,20.5,23.5,26.5
Asked by aashu.60
3rd September 2015,
6:51 AM
