Question
Download Solution PDFa = 4011 மற்றும் b = 3989 எனில், ab இன் மதிப்பு.
This question was previously asked in
Territorial Army Paper I : Official Practice Test Paper - 5
Answer (Detailed Solution Below)
Option 1 : 15999879
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Detailed Solution
Download Solution PDFபயன்படுத்தப்படும் சூத்திரம்:
(a + b) × (a - b) = a2 - b2
கணக்கீடுகள்:
விடுங்கள்
a = 4000 + 11
b = 4000 - 11
⇒ a × b = (4000 + 11) × (4000 - 11)
⇒ 16000000 - 121
⇒ 15999879
∴ விருப்பம்1 சரியான தேர்வு.
Last updated on May 12, 2025
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