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If S_n the sum of n terms of A.P, then $S_{n + 3} - 3 S_{n + 2}$ $+ 3 S_{n + 1} - S_{n} =$

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Correct option is D

Sn+3−3Sn+2+3Sn+1−Sn=Sn+3−Sn+2−2Sn+2−Sn−1+Sn+1−Sn=Tn+3−2Tn+2+Tn+1=Tn+3−Tn+2−Tn+2−Tn+1=d−d=0.

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If Sn the sum of n terms of A.P, then Sn+3−3Sn+2+3Sn+1−Sn=

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

free study material

If S_n the sum of n terms of A.P, then $S_{n + 3} - 3 S_{n + 2}$ $+ 3 S_{n + 1} - S_{n} =$