Math, asked by sururana2007, 8 months ago

17. If x'- 3x + 1 = 0, then the value of x + 1/x is

Answers

Answered by sonarhitesh20

1

Answer:

x+1x=17

⟹x3+1x3=(x+1x)3−3(x.1x)(x+1x)

=173−(3∗17)=4862

Let y=x4+1x2x2−3x+1

Divide both numerator and denominator by x

y=x3+1x3x−3+1x

⟹y=486217–3=24317

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