Question

if xpower4+1/xpower=47then xpower cube+1/xpower cube​

Answer 1

Answer:

456/175=2.6

Step-by-step explanation:

x^4+1/x^1=47

x^5/x=47

x^4=47             [x^5 will be changed to x^4 after being canceled x]

x=√47=√6.8=2.6

x^3+1/x^3

x^4/x^3

(2.6)^4/(2.6)^3           [x=2.6]

45.6/17.5

Answer= 456/175=2.6

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