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अर्कज ..
Subject: Maths
, asked on 26/3/18
Q. Prove that :
s
e
c
2
θ
+
cos
e
c
2
θ
=
s
e
c
2
θ
.
cos
e
c
2
θ
Answer
1
अर्कज ..
Subject: Maths
, asked on 26/3/18
Solve this:
Q.8. The
11
t
h
term of an AP. exceeds its
4
t
h
term by 14. Find the common difference.
Answer
1
Khushi Jain
Subject: Maths
, asked on 25/3/18
Q. Find the sum of n terms of the series
4
-
1
n
+
4
-
2
n
+
4
-
3
n
+
.
.
.
.
Answer
2
Payal Arora
Subject: Maths
, asked on 25/3/18
Q3
3.
Find the eleventh term from the last term of the AP :
27
,
23
,
19
,
.
.
.
.
.
.
.
,
-
65
.
Answer
3
Champ Jee
Subject: Maths
, asked on 25/3/18
Q24.
Is k=12?
In Meritnation answer key, it's given k=6! (Top 100 Que)
Q.24. For what value of k will the consecutive terms 3k + 2, 4k + 5 and 6k - 4 form an AP?
Answer
2
Kiran Sidar
Subject: Maths
, asked on 24/3/18
find 13th term from the last term of ap is 10, 7, 4, till -62
Answer
1
अर्कज ..
Subject: Maths
, asked on 24/3/18
Q 5 6 7 all
Answer
1
Riya Vardhan
Subject: Maths
, asked on 24/3/18
Please answer as soon as possible.
99
.
(
i
)
I
a
,
b
,
c
a
r
e
i
n
A
.
P
.
,
t
h
e
n
s
h
o
w
t
h
a
t
1
b
+
c
,
1
c
+
a
,
1
a
+
b
a
r
e
i
n
A
.
P
.
(
i
i
)
b
+
c
-
c
a
,
c
+
a
-
b
b
a
+
b
-
c
c
a
r
e
i
n
A
.
P
.
p
r
o
v
e
t
h
a
t
1
a
,
1
b
,
1
c
a
r
e
i
n
A
.
P
.
Answer
2
Rohan
Subject: Maths
, asked on 24/3/18
Please solve Q. 27 ? urgent
Q. 27. If a
1,
a
2
,............, a
n
are i AP where, a
i
>0 for all i, then show that.
1
a
1
+
a
2
+
1
a
2
+
a
3
+
.
.
.
.
.
.
.
+
1
a
n
-
1
+
a
n
=
n
-
1
a
1
+
a
n
Answer
2
Sathana G
Subject: Maths
, asked on 24/3/18
is this rabbit an arithmetic progression?
Answer
1
Sathana G
Subject: Maths
, asked on 23/3/18
is it an AP??
Answer
2
Azra Ahmed
Subject: Maths
, asked on 23/3/18
The sum of the first and the fifth term of an ascending AP is 26 and the products of the second term by the fourth term is 160. Find the sum of the first seven terms of this AP.
Answer
1
Siddharth
Subject: Maths
, asked on 23/3/18
Q.9. If the sum of first m terms of an AP is same as the sum of its first n terms (m
≠
n), show that the sum 0f its first (m + n) terms is zer0.
Answer
1
Sona Soni
Subject: Maths
, asked on 22/3/18
A person saves Rs. 100 in a month. There after he increases his savings every month by Rs. 50. By how many months his savings would total to Rs. 29750.
Answer
2
Ibtihal ..
Subject: Maths
, asked on 8/3/18
Question no. 24
24. Find the common difference of an A.P whose 1st term is 100 and the sum of whose first six terms is 5 times the sum of the next six terms.
Answer
1
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What are you looking for?
Q. Prove that :
Q.8. The term of an AP. exceeds its term by 14. Find the common difference.
3. Find the eleventh term from the last term of the AP :
Is k=12?
In Meritnation answer key, it's given k=6! (Top 100 Que)
Q.24. For what value of k will the consecutive terms 3k + 2, 4k + 5 and 6k - 4 form an AP?
Q. 27. If a1,a2,............, an are i AP where, ai>0 for all i, then show that.
24. Find the common difference of an A.P whose 1st term is 100 and the sum of whose first six terms is 5 times the sum of the next six terms.