NumericalModerate1.5 marks
10(i)
If 1701 is the nth term of the Geometric Progression (G.P.) 7, 21, 63......, find :
the value of 'n'
Topic: Geometric progression
Previous-year question practice database
Answer
Exam answer
n = 6
Explanation
1701=7·3ⁿ⁻¹ ⇒243=3⁵ ⇒n−1=5.
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