Question
Download Solution PDFగుణశ్రేణిలో పదవ పదం 9 మరియు నాల్గవ పదం 4, అప్పుడు దాని ఏడవ పదం-?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFఇచ్చిన:
గుణశ్రేణిలో పదవ పదం 9 మరియు నాల్గవ పదం 4,
ఉపయోగించిన భావన:
గుణశ్రేణి యొక్క n వ పదం = ar n-1
లెక్కింపు:
a 10 = 9, a 4 = 4
∴ 9 = ar 9 & 4 = ar 3
⇒ ( ar 9 ) (ar 3 ) = 36
⇒ a 2 r 12 = 36
⇒ (ar 6 ) 2 = (6) 2
వర్గమూలాన్ని తీసుకొని,
ar 6 = 6
∴ 7 వ పదం 6.
Last updated on Jun 2, 2025
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