It is proved that limx → ax ^ 5 = ax ^ 5 limit holds by the definition of function limit lim x^5=a^5 x→a That's right: | x ^ 5-a ^ 5| How to prove x ^ 5 = a ^ 5

It is proved that limx → ax ^ 5 = ax ^ 5 limit holds by the definition of function limit lim x^5=a^5 x→a That's right: | x ^ 5-a ^ 5| How to prove x ^ 5 = a ^ 5


|x^5-a^5|=|x-a|*|x^4+a*x^3+a^2*x^2+a^3*x+a^4|
Because the latter absolute value is finite, we might as well make it smaller than m
Let δ = ε / m, then | x ^ 5-a ^ 5|