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If $$\frac{{{x^8} + 1}}{{{x^4}}} = 14,$$ then the value of $$\frac{{{x^{12}} + 1}}{{{x^6}}}$$ is:
Answer & Solution
Correct Answer:
Option
C
$$\eqalign{
& \frac{{{x^8} + 1}}{{{x^4}}} = 14 \cr
& {x^4} + \frac{1}{{{x^4}}} = 14 \cr
& {x^2} + \frac{1}{{{x^2}}} = 4 \cr
& {x^6} + \frac{1}{{{x^6}}} = {4^3} - 3 \times 4 \cr
& {x^6} + \frac{1}{{{x^6}}} = 64 - 12 \cr
& \frac{{{x^{12}} + 1}}{{{x^6}}} = 52 \cr} $$
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