9(x+1/x)²-27(x+1/x)=10 .
answer the question number 1. and if its possible then answer all but 1st answer is must required
Attachments:
Answers
Answered by
2
9(x+1/x) ^2-27(x+1/x)=10
(x+1/x)[9(x+1/x) -27]=10
(x+1/x) [9(x^2+1)-27x] =10
after simple calculation.
the solution = 9x^4 - 27 x^3 +18x^2-37x+9=0.
(x+1/x)[9(x+1/x) -27]=10
(x+1/x) [9(x^2+1)-27x] =10
after simple calculation.
the solution = 9x^4 - 27 x^3 +18x^2-37x+9=0.
killer11:
wrong
Similar questions