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प्रश्न
Show that the progression given below is an AP. Find the first term, common difference and next term.
9, 15, 21, 27, ....
बेरीज
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उत्तर
The given progression 9, 15, 21, 27, ....
Clearly, 15 – 9 = 21 – 15
= 27 – 21
= 6 ...(Constant)
Thus, each term differs from its preceding term by 6.
So, the given progression is an AP.
First term = 9
Common difference = 6
Next term of the AP = 27 + 6 = 33
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