Grade 1010 grade maths
If x+1/x-3 =0 then find the value of(1)X^2+1/x^2(2)x^4+1/x^4(3)x^5+1/x^5
If x+1/x-3 =0 then find the value of
(1)X^2+1/x^2
(2)x^4+1/x^4
(3)x^5+1/x^5
1 Answer
Arun
Approved Tutor Answer8 Years agoDear student
We can write it as
x + 1/x = 3
Now square
x² + 1/x² + 2 = 9
Hence x² + 1/x² = 7
Similarly you can find out rest parts
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