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iris [78.8K]
3 years ago
13

Find the 20th term from the last term of the AP 34 , 32 30,.........., 10.​

Mathematics
1 answer:
ASHA 777 [7]3 years ago
7 0

Answer:

-30

Step-by-step explanation:

Tn = a1 + (n-1)d = 34 + (-2)(n-1) = 34-2n+2 = 36-2n

hence,

10= 36-2n

2n = 36

n = 13

20 terms from the last term would be 13+20 = 33

T33 = 36-2(33) = -30

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