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khurram
- Master | Next Rank: 500 Posts
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Is there a faster way. like using a formula
as t1=23 and tn=tn-1-3
so the greater the n the lower the number
so if tn=-4 then -4=tn-1 -3, tn-1= -1
so -4, -1, 2, 5, 8, 11, 14, 17, 20, 23,
so n is 10.
OA is c, 10
Thanks
Khurram
as t1=23 and tn=tn-1-3
so the greater the n the lower the number
so if tn=-4 then -4=tn-1 -3, tn-1= -1
so -4, -1, 2, 5, 8, 11, 14, 17, 20, 23,
so n is 10.
OA is c, 10
Thanks
Khurram
