Question
Download Solution PDFX + \(\frac{1}{x}\) = 9 எனில், X 4 + \(\frac{1}{x^4}\) .
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFகொடுக்கப்பட்டது
(x + 1/x) = 9
பயன்படுத்தப்பட்ட கருத்து
என்றால் (a + 1/a) = k
(a 2 + 1/a 2 ) = K 2 - 2
கணக்கீடு
(a 2 + 1/a 2 ) = K 2 - 2
⇒ (x 2 + 1/x 2 ) = 9 2 - 2
⇒ (x 2+ 1/x 2 ) = 79
⇒ (x 4 + 1/x 4 ) = 79 2 - 2
⇒ (x 4 + 1/x 4 ) = 6241 - 2
⇒ 6239
வெளிப்பாட்டின் மதிப்பு 6239.
Last updated on Jul 21, 2025
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