Question
Download Solution PDFx இன் முழுக்களின் மதிப்புகளின் கூட்டுத்தொகை x2/3 + x1/3 = 2 என்பது:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFபயன்படுத்தப்பட்ட சூத்திரம்:
(a + b)3 = a3 + b3 + 3ab(a + b)
கணக்கீடு:
⇒ x2/3 + x1/3 = 2
⇒ (x2/3 + x1/3)3 = 23
⇒ x2 + x + 3x(x2/3 + x1/3) = 8
⇒ x2 + 7x - 8 = 0
⇒ x2 + 8x - x - 8 = 0
⇒ x (x + 8) - 1 (x + 8) = 0
⇒ x = - 8 or x = 1
x இன் மதிப்புகளின் கூட்டுத்தொகை. = -8 + 1 = - 7Last updated on Jun 30, 2025
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