x^3 + 1/x^3=?Please simplify
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Hey dear user !!!
we know that
a³+ b³ = ( a + b ) ( a² + b² + ab )
similarly , ( x + 1 /x ) ( x² + 1/x² + x × 1/x )
= (x + 1/x ) ( x² + 1/x² - 1)
or,
= (x² + 1 /x ) ( x⁴ + 1 -x²/x )
"*************************
Hope it helps you !!!
@Rajukumar111
we know that
a³+ b³ = ( a + b ) ( a² + b² + ab )
similarly , ( x + 1 /x ) ( x² + 1/x² + x × 1/x )
= (x + 1/x ) ( x² + 1/x² - 1)
or,
= (x² + 1 /x ) ( x⁴ + 1 -x²/x )
"*************************
Hope it helps you !!!
@Rajukumar111
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