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प्रश्न
Write the correct number in the given boxes from the following A. P.
70, 60, 50, 40,...
Here t1 = 
, t2 = , t3 = ,...
∴ a = , d =
उत्तर
70, 60, 50, 40,...
Here t1 = 
, t2 = 
, t3 = 
,...
∴ a = 
, d = 
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संबंधित प्रश्न
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127, 132, 137,...
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1, 8, 15, 22,...
Here a =Here a =
t1 = 
, t2 = 
, t3 = ,
t2 – t1 = – =
t3 – t2 = – = ∴ d =
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