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Ruba Balu
Subject: Maths
, asked on 12/11/17
15
Q15. If one A M 'a' and two GM' s p and q are inserted between any two given numbers, show that
p
3
+
q
3
= 2
apq
.
Answer
1
Ruba Balu
Subject: Maths
, asked on 12/11/17
Q14. Find the sum to n terms : 6, 9, 16, 27...
Answer
1
Ruba Balu
Subject: Maths
, asked on 12/11/17
plss answer
Q.13. Find the sum of n terms:
12
×
5
+
15
×
8
+
18
×
11
+
.
.
.
.
.
.
.
.
.
Answer
1
Ruba Balu
Subject: Maths
, asked on 12/11/17
Ques : Find 4 numbers in GP in which the sum of the extreme terms is 112 and the sum of the
middle terms is 48.
Answer
1
Ruba Balu
Subject: Maths
, asked on 5/11/17
If a, b, c and d are in GP show that ax^3 + bx^2 +cx + d is divisible by ax^2 +c.
Answer
1
Kartik Agarwal
Subject: Maths
, asked on 5/11/17
Let a,b,c,d and e be in the A.P such that a+b+c+d+e is the cube of an integer and b+c+d is square of an integer. Then the least possible value of c is
Answer
1
Ruba Balu
Subject: Maths
, asked on 4/11/17
15th
Q15. If one A M 'a' and two G M' s p and q are inserted between any two given numbers, show that p
3
+ q
3
= 2apq.
Answer
1
Ruba Balu
Subject: Maths
, asked on 4/11/17
14th
Q14. Find the sum to n terms : 6 + 9 + 16 + 27 + ..................
Answer
1
Ruba Balu
Subject: Maths
, asked on 4/11/17
13th
Q13. Find the sum to n terms :
1
2
×
5
+
1
5
×
8
+
1
8
×
11
+
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Answer
4
Ruba Balu
Subject: Maths
, asked on 4/11/17
12)
Q12). The sum of four numbers in G.P is 60 and the arithmetic mean of the first and the last is 18. Find the numbers.
Answer
2
Ruba Balu
Subject: Maths
, asked on 4/11/17
Find 4 numbers in GP in which the sum of the extreme terms is 112 and the sum of the middle terms is 48.
Answer
1
Ruba Balu
Subject: Maths
, asked on 4/11/17
The product of three numbers in AP is 224 and the largest number is 7 times the smallest. find the numbers.
Answer
1
Ruba Balu
Subject: Maths
, asked on 4/11/17
Solve this:
The sum of four number is A.P is 24 and the product of the square of extremes is 729. Find the numbers.
Answer
2
Ruba Balu
Subject: Maths
, asked on 4/11/17
The sum of the first 3 terms of a G.P is 7 and sum of their squares is 21. find the first 5 terms of the G.P.
Answer
1
Divya Mahesh
Subject: Maths
, asked on 28/10/17
Insert three numbers between 1 and 256 so that the resulting sequence is a G.P.
Answer
1
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What are you looking for?
Q15. If one A M 'a' and two GM' s p and q are inserted between any two given numbers, show that p3 + q3 = 2apq .
Q14. Find the sum to n terms : 6, 9, 16, 27...
Q.13. Find the sum of n terms:
middle terms is 48.
Q15. If one A M 'a' and two G M' s p and q are inserted between any two given numbers, show that p3 + q3 = 2apq.
Q14. Find the sum to n terms : 6 + 9 + 16 + 27 + ..................
Q13. Find the sum to n terms :
Q12). The sum of four numbers in G.P is 60 and the arithmetic mean of the first and the last is 18. Find the numbers.
The sum of four number is A.P is 24 and the product of the square of extremes is 729. Find the numbers.