Question

Find the 20th term from the last term of the AP: 3,8,13.....253

Answer 1

here we first take the common difference and form our own ap

d = 5

so as were coming from the last d = -5

now the ap is

253, 248 , 243

therefore the 20 th term can be written as

a+ 19 d

253 + 19 * -5 = 158

therefore the 20th term from the last is 158

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Answer 2

Answer:

Step-by-step explanation: