Ask a Doubt

Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 11-science Answered

14th sum.plz

question image

Asked by lovemaan5500 | 28 Jan, 2019, 06:29: AM

Expert Answer

According to the question,

S_p = m and S_q = m

begin mathsize 16px style straight p over 2 open square brackets 2 straight a plus open parentheses straight p minus 1 close parentheses straight d close square brackets equals fraction numerator begin display style straight q end style over denominator begin display style 2 end style end fraction open square brackets 2 straight a plus open parentheses straight q minus 1 close parentheses straight d close square brackets 2 pa plus straight p open parentheses straight p minus 1 close parentheses straight d equals 2 qa plus straight q open parentheses straight q minus 1 close parentheses straight d 2 pa minus 2 qa plus straight p open parentheses straight p minus 1 close parentheses straight d minus straight q open parentheses straight q minus 1 close parentheses straight d equals 0 2 straight a open parentheses straight p minus straight q close parentheses plus open parentheses straight p squared minus straight p minus straight q squared plus straight q close parentheses straight d equals 0 2 straight a open parentheses straight p minus straight q close parentheses plus open parentheses straight p squared minus straight q squared minus straight p plus straight q close parentheses straight d equals 0 2 straight a open parentheses straight p minus straight q close parentheses plus open square brackets open parentheses straight p plus straight q close parentheses open parentheses straight p minus straight q close parentheses minus left parenthesis straight p minus straight q right parenthesis close square brackets straight d equals 0 2 straight a open parentheses straight p minus straight q close parentheses plus open square brackets open parentheses straight p plus straight q minus 1 close parentheses open parentheses straight p minus straight q close parentheses close square brackets straight d equals 0 2 straight a plus open parentheses straight p plus straight q minus 1 close parentheses straight d equals 0 straight S subscript straight p plus straight q end subscript space equals space 0 end style

Answered by Sneha shidid | 28 Jan, 2019, 10:02: AM

Concept Videos

Practice Test

Pre Board Assessment

Answered Unanswered My Questions My Answers

CBSE 11-science - Maths

please solve number 7

question image

Asked by sanjuktamukherjee165 | 24 Oct, 2021, 11:04: AM

ANSWERED BY EXPERT

CBSE 11-science - Maths

if a²,b²,c² are in ap then prove that .. 1/b+c ,1/c+a,1/a+b

Asked by Vibhorjarora798 | 21 Aug, 2021, 05:43: PM

ANSWERED BY EXPERT

CBSE 11-science - Maths

1/3 ,1/5, 1/7, 1/9 verify whether the following sequence are hp

Asked by hirugadeshravani | 26 Dec, 2020, 07:37: AM

ANSWERED BY EXPERT

CBSE 11-science - Maths

5+11+19+29+41+....

question image

Asked by pavanindr | 09 Feb, 2020, 04:56: PM

ANSWERED BY EXPERT

CBSE 11-science - Maths

7th sum

question image

Asked by lovemaan5500 | 02 Feb, 2019, 08:26: PM

ANSWERED BY EXPERT

CBSE 11-science - Maths

23rd sum

question image

Asked by lovemaan5500 | 28 Jan, 2019, 06:33: AM

ANSWERED BY EXPERT

CBSE 11-science - Maths

26th sum

question image

Asked by lovemaan5500 | 28 Jan, 2019, 06:32: AM

ANSWERED BY EXPERT

CBSE 11-science - Maths

14th sum.plz

question image

Asked by lovemaan5500 | 28 Jan, 2019, 06:29: AM

ANSWERED BY EXPERT

CBSE 11-science - Maths

Could you please give the solution to problem number 20.

question image

Asked by shaikh.farid25 | 05 Nov, 2018, 07:03: PM

ANSWERED BY EXPERT

CBSE 11-science - Maths

4 i part

question image

Asked by lovemaan5500 | 17 Jul, 2018, 06:39: PM

ANSWERED BY EXPERT

My Class Videos Tests Plans Ask a Doubt