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Chapter 06: Sequences and Series @fsc:fsc_part_1_solutions: 4 Hits, Last modified: 5 months ago; nd $d$ be common difference of A.P, then $$\begin{align}l=a_1+(p-1)d,\\ m=a_1+(q-1)d,\\ n=a_1+(r-1)d.\end{align}$$ Now $$\begin{align}L.H.S &= l(q-r)+m(r-p)+n(p-q)\\ &= lq-lr+mr-mp+np-nq\\ &=(l-n)q+(m-l)r+(n-m)p\\ &... (r-q)dp\\ &=[pq-qr+qr-pr+pr-pq]d=(0)d=0=R.H.S\end{align}$$ **Exercise 6.4⇒ Question 3(ii)** An equation
Important Derivatives & Integrals: 2 Hits, Last modified: 5 months ago; cellpadding="2" cellspacing="2"> <tr> <td align="center"><strong><img src="/images/icon_pdf.gif" ... cellpadding="2" cellspacing="2"> <tr> <td align="center"><strong><img src="/images/icon_pdf.gif"
MCQs-Short Questions by Mr Parvez Khan @fsc:fsc_part_1_mcqs: 1 Hits, Last modified: 5 months ago; the MCQs is given at page 57.</wrap> <HTML> <div align="center"> <iframe src="http://docs.google.com/vie
MCQs-Short Questions by Mr. Parvez Khan @fsc:fsc_part_2_mcqs: 1 Hits, Last modified: 5 months ago; Answers are given at page 32.</wrap> <HTML> <div align="center"> <iframe src="http://docs.google.com/vi