#x+1/x=2 1/12=25/12.#
# rArr (x^2+1)/x=25/12.#
# rArr 12x^2+12=25x.#
# rArr 12x^2-25x+12=0.#
# rArr 12x^2-16x-9x+12=0,...[16xx9=144, 16+9=25].#
# rArr 4x(3x-4)-3(3x-4)=0.#
# rArr (3x-4)(4x-3)=0.#
# rArr x=4/3, or, x=3/4.#
#x=4/3rArrx^4-1/x^4=(4/3)^4-(3/4)^4=256/81-81/256=58975/20736.#
#x=3/4rArrx^4=1/x^4=(3/4)^4-(4/3)^4=-58975/20736.#
Enjoy Maths.!