If an= 9-5n, find the sum of first 25 terms ..
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2
Answer:
Given
a
n
=9−5n
a
1
=9−5=4
a
2
=9−10=−1
a
3
=9−15=−6
∴ The series is 4,−1,−6,−11....
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Answered by
0
Answer:
Sum of 15 terms in given A.N= -465
Step-by-step explanation:
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