solve sum p³-(p+1)³
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Step by step explanation:-
p³ -(p+1)³
We have to solve
We know that (p+1)³ =
It is in form (a+b)³ = a³+b³+3ab(a+b)
Similarily
(p+1)³ = p³+1³ +3p(p+1)
(p+1)³ = p³ + 1+3p²+3p
Now Simplify
p³ -(p+1)³
p³ -(p³+3p²+3p+1)
p³ -p³-3p²-3p-1
-3p²-3p-1
So, p³-(p+1)³ = -3p²-3p-1
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