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Efectúe:
a) (a2−2∗a∗b+4∗b2) ∗(a+2∗b)( a^2 - 2*a*b + 4*b^2) * (a + 2 * b)(a2−2∗a∗b+4∗b2) ∗(a+2∗b)
var ('a,b')
expand ((a^2 - 2*a*b + 4*b^2) * ( a + 2*b) )
b) (a4 +a3∗b+a2∗b2+a∗b3+b4)∗(a−b)( a^4 + a^3*b + a^2*b^2 + a*b^3 + b^4) * (a - b)(a4 +a3∗b+a2∗b2+a∗b3+b4)∗(a−b)
var('a,b')
expand (( a^4 + a^3*b + a^2*b^2 + a*b^3 + b^4) * (a - b))
c) (ax−ax+1+ax+2)∗(a+1)(a^x - a^x+1 +a^x+2) * (a+1)(ax−ax+1+ax+2)∗(a+1)
var('a')
expand ((a^x - a^(x+1) +a^(x+2)) * (a+1))
