26. Insert two numbers between 3 and 81 so that the resulting sequence is G.P.
Let A, B be two numbers between 3 and 81 such that series 3, A, B,81 forms a GP.
Let a=first term and common ratio =r.
For ,
The, required numbers are 9,27.
CBSE Date Sheet 2025 (Out) Live: Class 10, 12 board exam time table at cbse.gov.in; syllabus, sample papers
CBSE Class 12 board exam date sheet 2025 out; exams from February 15 to April 4
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