Question Find the roots d=221Alternative Form d=0.04˙5˙ Evaluate 22d−1To find the roots of the expression,set the expression equal to 0 22d−1=0Move the constant to the right-hand side and change its sign 22d=0+1Removing 0 doesn't change the value,so remove it from the expression 22d=1Divide both sides 2222d=221Solution d=221Alternative Form d=0.04˙5˙ Show Solution