Question
Download Solution PDFयदि log10 2 = 0.3010 तो log10 80 = ?
Answer (Detailed Solution Below)
Option 4 : 1.9030
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Detailed Solution
Download Solution PDFअवधारणा:
लघुगणक:
- यदि ab = x तो हम कहते हैं कि loga x = b
- loga a = 1
- loga (xy) = loga x + loga y
गणना:
हम जानते हैं कि 80 = 23 × 10
दिए गए लघुगणक को log 2 में बदलने पर, हम प्राप्त करते हैं:
log10 80
= log10 (23 × 10)
= log10 23 + log10 10
= 3 (log10 2) + 1
= 3(0.3010) + 1
= 1.9030
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