Question

if a=3, d=7 find a10

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Answer 1

Answer:

a=3, d= 7

10th term =

$3 + (10 - 1) \times 7$

$= 3 + 63$

$= 66$

Answer 2

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a = 3

d = 7

a(n) = a + (n-1)d

=> a(10) = 3 + (10-1)(7)

=> a(10) = 3 + (9)(7)

=> a(10) = 3 + 63

=> a(10) = 66

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