Question

if the sum of the first n terms of an ap is 4n-nsquare, find the 10th term
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Answer 1

Hope this answer will help you

Answer 2

Answer:

the 10th term is 76

Step-by-step explanation:

let the 10th term of the AP be y

Now ,

summation upto 10tg term of the AP,

4×(10)^2 = 10/2{4(1)^2+ y}

400 = 5 (4 + y )

80 = 4 + y

y = 76

hence the 10th term of the AP is 76.

my hope this may help you