Which term of the A.P: 21,42,63,84.........is 210 ?OR
Find the sum of the first 22 terms of the A.P: 8,3,-2......
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3
Answer:
to find the 22nd term of the a.p
Step-by-step explanation:
a+21d
that is,
a=8, d=3-8=-5
now apply the values in the formula-a+21d
8+21×-5=8+- 105
8-105=-97
hope it helps you all the best
Answered by
1
Answer:
Que:-1 Which term of the A.P: 21,42,63,84.........is 210 ?
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