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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.
$\mathbf{99}\mathbf{.}\left(i\right)Ia,b,careinA.P.,thenshowthat\frac{1}{\sqrt{b}+\sqrt{c}},\frac{1}{\sqrt{c}+\sqrt{a}},\frac{1}{\sqrt{a}+\sqrt{b}}areinA.P.\phantom{\rule{0ex}{0ex}}\left(ii\right)\frac{\left(b+c-c\right)}{a},\frac{\left(c+a-b\right)}{b}\frac{\left(a+b-c\right)}{c}areinA.P.provethat\frac{1}{a},\frac{1}{b},\frac{1}{c}areinA.P.$
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.
$\frac{1}{\sqrt{{a}_{1}}+\sqrt{{a}_{2}}}+\frac{{\displaystyle 1}}{{\displaystyle \sqrt{{a}_{2}}+\sqrt{{a}_{3}}}}+.......+\frac{{\displaystyle 1}}{{\displaystyle \sqrt{{a}_{n-1}}+\sqrt{{a}_{n}}}}=\frac{{\displaystyle n-1}}{{\displaystyle \sqrt{{a}_{1}}+\sqrt{{a}_{n}}}}$
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
$\ne $
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
Raghav Singh
Subject: Maths
, asked on 5/3/18
I want to thank meritnation before going to exams tomorrow as i got a lot of help from here . So thank you meritnation .
Answer
4
Raghav Singh
Subject: Maths
, asked on 5/3/18
Is nothing printed allowed in boards? I mean i have pencils with the company name on it & the pen i use is having a lot of information like made in ..... and the pencil pouch is having the manufacturer name on front. Please help me . I have my exams tomorrow.
Answer
1
Rohit Patil
Subject: Maths
, asked on 3/3/18
Solve this:
Q.17. The sum of first 16 terms of an A.P. is 112 and sum of its next fourteen terms is 518. Find the A.P.
Answer
1
Utkarsh
Subject: Maths
, asked on 2/3/18
If pth term of AP is 1/q and qth term is 1/p then find it's (pq)th term
Answer
2
Son Ser
Subject: Maths
, asked on 2/3/18
${S}_{1}={a}_{2}+{a}_{4}+{a}_{6}+............upto100termsand{S}_{2}={a}_{1}+{a}_{3}+{a}_{5}+.......upto100termsofacertainAP.Provethatthecommondifferenceis\frac{{S}_{1}-{S}_{2}}{100}$
Answer
2
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$\mathbf{99}\mathbf{.}\left(i\right)Ia,b,careinA.P.,thenshowthat\frac{1}{\sqrt{b}+\sqrt{c}},\frac{1}{\sqrt{c}+\sqrt{a}},\frac{1}{\sqrt{a}+\sqrt{b}}areinA.P.\phantom{\rule{0ex}{0ex}}\left(ii\right)\frac{\left(b+c-c\right)}{a},\frac{\left(c+a-b\right)}{b}\frac{\left(a+b-c\right)}{c}areinA.P.provethat\frac{1}{a},\frac{1}{b},\frac{1}{c}areinA.P.$

Q. 27. If a

_{1,}a_{2},............, a_{n}are i AP where, a_{i}>0 for all i, then show that.$\frac{1}{\sqrt{{a}_{1}}+\sqrt{{a}_{2}}}+\frac{{\displaystyle 1}}{{\displaystyle \sqrt{{a}_{2}}+\sqrt{{a}_{3}}}}+.......+\frac{{\displaystyle 1}}{{\displaystyle \sqrt{{a}_{n-1}}+\sqrt{{a}_{n}}}}=\frac{{\displaystyle n-1}}{{\displaystyle \sqrt{{a}_{1}}+\sqrt{{a}_{n}}}}$

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.

Q.17. The sum of first 16 terms of an A.P. is 112 and sum of its next fourteen terms is 518. Find the A.P.