Question

Please answer Q4) AND I NEED IT URGENTLY

Answer 1

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an = 5n - 3

So, First term = 5(1) - 3 = 5 - 3 = 2

a = 2

a10 = 5(10) - 3 = 50 - 3 = 47

a = 2, l = 47 , n = 10

Sn = 10 / 2 [47 + 2]

Sn = 5 * 49

Sn = 245

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Answer 2

an = 5n - 3

So, First term = 5(1) - 3 = 5 - 3 = 2

a = 2

a10 = 5(10) - 3 = 50 - 3 = 47

a = 2, l = 47 , n = 10

Sn = 10 / 2 [47 + 2]

Sn = 5 * 49

Sn = 245