1. Find :
(a)
3
+1
7
pls give me answer
Answers
Answered by
0
Answer:
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Answered by
1
Step-by-step explanation:
ANSWER
3+1,1,23−1
⇒r=3+11=(3+1)(3−1)3−1=23−1
Seventh term =ar6
=3+1×(23−1)6
=(3+1)(3−1)26(3−1)5
=262(3−1)5
=25(3−1)5
=25(3−23+1)2(3−1)
=25(4−23)2(3−1)
=2522(23)(3−1)
=23(4−43+3)(3−1)
=23(7
Hence, the answer is 23113−19.
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