if x+1/x=3 then find x-1/x
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squaring both sides and subtracting 4 from both sides
x2 + 1/x2 +2 - 4 = 9-4 = 5
=> ( x - 1/x)2 = 5
=> x-1/x = √5
x2 + 1/x2 +2 - 4 = 9-4 = 5
=> ( x - 1/x)2 = 5
=> x-1/x = √5
pranav96:
sahi hei ne
ys
plz. give me full solution using identity
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