Question
Download Solution PDFयदि p = 8.15, q = 9.06 तथा r = -17.21 है, तो p3 + q3 + r3 - 3pqr का मान क्या है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
p = 8.15, q = 9.06 तथा r = -17.21
प्रयुक्त अवधारणा:
यदि a + b + c = 0
तो,
a3 + b3 + c3 - 3abc = 0
गणना:
p + q + r = 8.15 + 9.06 - 17.21
⇒ 17.21 - 17.21
⇒ 0
इसलिए, p3 + q3 + r3 - 3pqr = 0
∴ अभीष्ट उत्तर 0 है।
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