factorise x raised to 8 minus 1/x raised to 8
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the answer is (x -1/x ) (x+1/x).
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ℌ℮¥¥Ѧ
ϰ⁸ - y⁸
= (x⁴)² - (y⁴)²
= (x⁴ + y⁴) (x⁴ - y⁴)
= (x⁴ + y⁴) [ (x²)² -( y²)² ]
= (x⁴ + y⁴) [ (x² +y² ) ( x² - y²) ]
= (x⁴ + y⁴) [ (x² +y² ) ( x+y) ( x-y) ]
ℌ◎℘℮ ї† ℌ℮ℓ℘﹩
ϰ⁸ - y⁸
= (x⁴)² - (y⁴)²
= (x⁴ + y⁴) (x⁴ - y⁴)
= (x⁴ + y⁴) [ (x²)² -( y²)² ]
= (x⁴ + y⁴) [ (x² +y² ) ( x² - y²) ]
= (x⁴ + y⁴) [ (x² +y² ) ( x+y) ( x-y) ]
ℌ◎℘℮ ї† ℌ℮ℓ℘﹩
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