Question Find the roots s=21Alternative Form s=0.5 Evaluate 2s−1To find the roots of the expression,set the expression equal to 0 2s−1=0Move the constant to the right-hand side and change its sign 2s=0+1Removing 0 doesn't change the value,so remove it from the expression 2s=1Divide both sides 22s=21Solution s=21Alternative Form s=0.5 Show Solution