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CBSE Class 10 Answered

All the formulas used in this chapter? (Thank you)
Asked by Amarnath | 14 Jan, 2016, 07:43: PM
answered-by-expert Expert Answer
L e t space apostrophe a apostrophe space b e space t h e space f i r s t space t e r m space o f space a n space A. P. space w i t h space c o m m o n space d i f f e r e n c e space apostrophe d apostrophe. T h e space n t h space t e r m space o f space t h e space A. P. space equals space a plus open parentheses n minus 1 close parentheses d T h e space s u m space o f space f i r s t space apostrophe n apostrophe space t e r m s space equals space n over 2 open square brackets 2 a plus open parentheses n minus 1 close parentheses d close square brackets T h e s e space a r e space t h e space t w o space s tan d a r d space f o r m u l a e space u s e d space i n space A. P.
Answered by satyajit samal | 15 Jan, 2016, 11:07: AM

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