how many terms of sequence 36 ,30, 24, 18 ..... must br taken so that the sum mqya be 120 . explain yhe reason for two answers
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Answer:
5 terms
Step-by-step explanation:
formula of the sequence = x , x- 6 , x - 12 , x - 18 , etc ...
here x = 36.
36 + 36 - 6 + 36 - 12 + 36 - 18 = 36 + 30 + 24 + 18
= 108
120 - 108 = 12
12 = x - 24
so , 5 terms of the sequence must be taken..
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