Question

if x to the power of 4+ 1/x to the power of 4 = 34. then the value of x-1/x is

(a) 1
(C) 3
(b) 2
(d) 4

plz answer this question plz !!plz!!


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Answer 1

Answer:

x⁴+1

---- = 34

x⁴

(x²+1

------ )² = (34+2)² .................. step 1

x²

x²+1/x² = 6

(x+1/x)² = (6-2)² ............. step 2

x+1/x = 2

Step-by-step explanation:

In step 1, the root of 36 has been taken and in step 2, root of 4 has been taken