sample-question-paper-for-class-10-cbse-sa2-maths-paper-2-q23

sample question paper for class 10 cbse sa2 maths Paper 2 q23

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00:02 CBSE sample papers for Class 10 Maths SA2 Paper 2 Q23 The sum of n, 2n, 3n terms of an A.P. are S1 , S2 ,S3 respectively. Prove that s3 =3 (S2 —S1)

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