a cube + 1 by a cube if a + 1 is equal to 5
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a+1=5
a=5-1=4
a³+1/a³=4³+1/4³
=64+1/64
=65/64
plz thanks
a=5-1=4
a³+1/a³=4³+1/4³
=64+1/64
=65/64
plz thanks
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