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sir pls give answer of this questionIfx+1/x=3where x is not equal to 0 then the value ofx4-3x3-5x2-3x-1 / x4-1is ??options a)5 b)7C)2d)3

ABHISHEK VASHIST , 8 Years ago
Grade 12th pass
anser 1 Answers
Asim

Last Activity: 8 Years ago

x2 + 1 = 3x
 x =( 3 \pm \sqrt{5}) / 2         put these values and check... or … x ^2  +  1/x^2 = 1   thats a hint, check it out its gonna help you a lot... TIY

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