Question

find the value of A20 terms​

Answer 1

Answer:

a = 253

d = 3-8 = -5

T20 = a + 19d

= 253 + 19 {- 5}

= 253 - 95

= 198

Answer 2

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............
a = 253

d = 3-8 = -5

T20 = a + 19d

= 253 + 19 {- 5}

= 253 - 95

= 198