If x - 1x = 2, find the values of: a. x2 + 1x2 b. x4 + 1x4 pls no rubbish answer
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Answer:
x-1/x=2
(x-1/x)2=(2)2
x2-1/x2-2=4
x2-1/x2=4+2
x2-1/x2=6
Now,to find x4 + 1x4
x2-1/x2=6
(x2-1/x2)2=(6)2
x4-1/x4-2=36
x4-1/x4=36+2
x4-1/x4=38
Step-by-step explanation:
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