If x² +1/x2= 38 , find the value of:
a) x- 1/x
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6
Step-by-step explanation:
see , good question;
x^2+ 1/x^2 = 38
(x - 1/x)^2 + 2(x)(1/x) = 38
(x - 1/x)^2 = 36 => (x - 1/x) = √36 = 6
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Answer:
cheting in Surbhi tes series
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