Question
Download Solution PDFनिम्नलिखित प्रश्न में प्रश्नवाचक चिह्न (?) के स्थान पर कितना अनुमानित मान आएगा?
18.45² + ∛(729.08) + 89.32 = ?² - 42.99
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया व्यंजक:
18.45² + ∛(729.08) + 89.32 = ?² - 42.99
प्रत्येक पद का अनुमानित मान:
18.45² ≈ 340.2 (चूँकि, 18.45 × 18.45 ≈ 340.2025)
∛729.08 ≈ ∛729 = 9
89.32 यथावत रहेगा।
बायाँ पक्ष: 340.2 + 9 + 89.32 = 438.52
⇒ 438.52 = ?² - 42.99
⇒ ?² = 438.52 + 42.99 = 481.51
√481.51 ≈ 21.93 ≈ 22
इस प्रकार, सही उत्तर 22 है।
Last updated on Jul 8, 2025
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