first term and common difference of an A.P. are 12 and 4 respectively. if tn = 96, find n.​

2 thoughts on “first term and common difference of an A.P. are 12 and 4 respectively. if tn = 96, find n.​”

1. Answer:

   20

   Step-by-step explanation:

   Tn = a+ (n-1)d

   96=12+(n-1)4

   84/4=(n-1)

   21+1=n

   n=22

   hope it helps

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2. Answer:

   So, a=12; d=4; tn=96; n=?

   Step-by-step explanation:

   Now, tn=a+(n-1) d

   96=12+(n-1)4

   96=12+4n-4

   96=8+4n

   88=4n

   n=22

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