Recordemos que en \(\mathbb{R}_n[x]\), definimos: \(p(x)\bullet q(x)=\int_0^1p(x)q(x)\,dx\)

(%i3) p : 1 + 2 * x - 3 * x ^ 2 $
q : - 2 - x + x ^ 2 $
print( "(", p, ")\(\bullet\)(", q, ")=", integrate( p * q, x, 0, 1)) $
( 3 x 2 + 2 x + 1 )∙( x 2 x 2 )= 131 60

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