NCERT Solutions
Board Paper Solutions
Ask & Answer
School Talk
Login
GET APP
Login
Create Account
Popular
Latest
Expert Answers
ALL
Soumyadeep Kar
Subject: Maths
, asked on 20/8/17
If Sr denotes the sum of first r terms of an A.P.,then show that S3r - Sr-1/S2r - S2r-1 equals 2r+1.
Answer
1
Shruti Arora
Subject: Maths
, asked on 16/8/17
Plz answer this question
Answer
1
Shruti Arora
Subject: Maths
, asked on 16/8/17
Plz answer this..
Answer
1
Shruti Arora
Subject: Maths
, asked on 16/8/17
Plz.answer. this question..asap
Answer
1
Shruti Arora
Subject: Maths
, asked on 16/8/17
if 1 ,logyx ,logzx,-25logxz qre in AP ,then prove that x=y^-1=z^3
Answer
1
Shruti Arora
Subject: Maths
, asked on 15/8/17
if a,b,c are 3 unequal number such that a ,b,c are in AP and b-a,c-b are in GP. find a:b:c
Answer
1
Shruti Arora
Subject: Maths
, asked on 15/8/17
if the sum of n terms of a progression be a quadratic expression in n ,show that it is an ap
Answer
1
Aharan
Subject: Maths
, asked on 13/8/17
if A and G are arithmatic and geometric means between 2 no.s prove that the no.s are:
A +- sqrt [(A+G)(A-G)]
Answer
1
Aharan
Subject: Maths
, asked on 13/8/17
determine if 1111...111 (91 digits) is prime or composite
Answer
3
Kabir Chhabra
Subject: Maths
, asked on 11/8/17
Q1
Answer
1
Kabir Chhabra
Subject: Maths
, asked on 11/8/17
Ex(11.2)
Answer
1
Kabir Chhabra
Subject: Maths
, asked on 11/8/17
Pls solve Q6 fast its urgent
Answer
1
Kabir Chhabra
Subject: Maths
, asked on 11/8/17
Pls solve Q4 fast
Answer
1
Kartik Agarwal
Subject: Maths
, asked on 21/7/17
N, the set of natural numbers, is partitioned into subsets S1={1}, S2={2,3}, S3={4,5,6}, S4={7,8,9,10}. The last term of these groups is 1, 1+2, 1+2+3, 1+2+3+4 and so on. Find the sum of the elements in the subset S50.
Answer
1
Kartik Agarwal
Subject: Maths
, asked on 21/7/17
If 9 Arithmetic and harmonic means be inserted between 2 and 3, prove that A+(6/H)=5 where A is any of the arithmetic means and H is the corresponding harmonic mean.
Answer
1
Prev
8
9
10
11
12
Next
What are you looking for?

A +- sqrt [(A+G)(A-G)]