Question
Download Solution PDFఒకవేళ
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFఇచ్చినది:
7a - (7/a) = - 4
ఉపయోగించిన సూత్రం:
ఒకవేళ a + (1/a) = P
⇒ a3 - (1/a3 ) = P3 + 3P
గణన:
7a - (7/a) = - 4
⇒ a - (1/a) = (- 4/7)
⇒ a3 - (1/a3 ) = (- 4/7)3 + 3 × (- 4/7)
⇒ (- 64/343) - 12/7
⇒ (- 64 - 588)/343
⇒ a3 - (1/a3 ) = (- 652/343)
a3 - (1/a3 ) - 1
⇒ - 652/343 - 1
⇒ (- 652 - 343)/343
⇒ - 995/343
∴ సరైన సమాధానం ( - 995/343) .
Last updated on Jul 9, 2025
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