Question

if a+1/a=4 so what will be for a²-4a+3​

Answer 1

Step-by-step explanation:

Given,

a² −4a+1=4

⇒a² −4a−3=0

upon solving the above quadratic equation, we get,

A=2

$= \sqrt{7}$

GIVEN

a³-a²+a-1/a²-1

(2≠√7³)-(2± 7 )²−1(2± 7 )

3 −(2± 7 )² +(2± 7)−1

upon solving the above equation, we get

$\frac{40 \ + 16 \sqrt{7} }{10 + 4 \sqrt{7} }$

$8( \frac{5 + 2 \sqrt{7} }2{(5 \ + 2 \sqrt{7} } )$

2,

Answer 2

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