The common difference of an A.P., the sum of

The common difference of an A.P., the sum of whose n terms is $\mathbf{s}_{\mathbf{n}}$, is A. $\mathrm{S}_{\mathrm{n}}-2 \mathrm{~S}_{\mathrm{n}-1}+\mathrm{S}_{\mathrm{n}-2}$ B. $S_{n}-2 S_{n-1}-S_{n-2}$ C. $\mathrm{S}_{\mathrm{n}}-\mathrm{S}_{\mathrm{n}-2}$ D. $\mathrm{S}_{\mathrm{n}}-\mathrm{S}_{\mathrm{n}-1}$ Answer: Option A Show Answer…

जारी रखें पढ़ रहे हैंThe common difference of an A.P., the sum of