x - 1x" id="MathJax-Element-29-Frame" role="presentation" style="position: relative;" tabindex="0">1x$\frac{1}{x}$ $\frac{1}{x}$ = 13 అయితే, x4+1x4" id="MathJax-Element-30-Frame" role="presentation" style="position: relative;" tabindex="0">x4+1x4$x^4+\frac{1}{x^4}$ ${x^4}+ \frac{1}{x^4}$ విలువ ఎంత?