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## Answers

now take therefore you get

now put back and multiply each factor by , you get

.

then u will get,6x²-35x+62-35/x+6/x²=0

=6[x²+1/x²]-35[x+1/x]+62.----->eq.1

now put x+1/x=a----->eq.2

then squaring on both sides,

x²+1/x²=a²-2.

now sub. the values in eq.1

then by solving u will get two values of a.

than sub. the two values in eq.2 and u will get four values for 'x'.