Question 1081566
{{{ac+d}}} is irrational.
{{{2*sqrt(2)+sqrt(7)}}}
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{{{4b*sqrt(3)+c}}} is irrational.
{{{4(2)*sqrt(3)+sqrt(2)=8sqrt(3)+sqrt(2)}}}
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{{{b^2(c+d)}}} is irrational.
{{{2^2(sqrt(2)+sqrt(7))=4(sqrt(2)+sqrt(7))}}}