Question
Download Solution PDF4, a और 16a का चौथा अनुपातिक 81 है। a का मान कितना है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
4, a और 16a का चौथा अनुपातिक 81 है।
प्रयुक्त सूत्र:
यदि x, 4, a, और 16a का चौथा आनुपातिक है, तो 4 : a = 16a : 81
गणना:
4 / a = 16a / 81
⇒ 4 × 81 = a × 16a
⇒ 324 = 16a2
⇒ a2 = 324 / 16
⇒ a2 = 20.25
⇒ a = √20.25
⇒ a = 4.5
Last updated on Jun 16, 2025
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