Wykonaj potęgowanie: (a+b+1)^2 -(do kwadratu) krok po kroku proszę
( a + b + 1)^2 = a^2 + 2*a*( b + 1) + ( b + 1)^2 = a^2 + 2a*b +2 a + b^2 + 2 b + 1 =
= a^2 + b^2 + 2a*b + 2 a + 2 b + 1
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( a + b + 1)^2 = a^2 + 2*a*( b + 1) + ( b + 1)^2 = a^2 + 2a*b +2 a + b^2 + 2 b + 1 =
= a^2 + b^2 + 2a*b + 2 a + 2 b + 1
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