Find the 20th term from the last term of the AP: 3,8,13,...,253.
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Answered by
1
Answer:
a20= 158
Step-by-step explanation:
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Answered by
2
Answer:
AP from the last : 253, 248,. .......,13,8,3
a = 253, d = -5 , n = 20
a20 = a + 19d
= 253 + 19(-5)
= 253 - 95
= 158
therefore the 20th term from the end of the AP is 158
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