Find the 20th and 35th terms of the series 38, 36, 34,.....
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Answer:
20th Term : 0
35th term : -30
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a=38 d= 36-38=-2
a20 =a+19d
= 38+19×-2=38+-38=0
a35 =a+34d
=38+34×-2
=38+- 68 =-30
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