Question
Download Solution PDFयदि p = 106, q = 105 और r = 104 है, तो p2 + q2 + r2 - pq - qr - rp का मान क्या है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
p = 106
q = 105
r = 104
प्रयुक्त सूत्र:
p2 + q2 + r2 - pq - qr - rp
गणना:
p2 + q2 + r2 - pq - qr - rp = 1062 + 1052 + 1042 - 106x105 - 105x104 - 104x106
⇒ 1062 = 11236
⇒ 1052 = 11025
⇒ 1042 = 10816
⇒ 106 × 105 = 11130
⇒ 105 × 104 = 10920
⇒ 104 × 106 = 11024
⇒ 11236 + 11025 + 10816 - 11130 - 10920 - 11024
⇒ 33077 - 33074
⇒ 3
∴ सही उत्तर विकल्प 4 है।
Last updated on Jun 3, 2025
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