Question Find the roots σ=101210Alternative Form σ=2.0˙792˙ Evaluate 210−101σTo find the roots of the expression,set the expression equal to 0 210−101σ=0Move the constant to the right-hand side and change its sign −101σ=0−210Removing 0 doesn't change the value,so remove it from the expression −101σ=−210Change the signs on both sides of the equation 101σ=210Divide both sides 101101σ=101210Solution σ=101210Alternative Form σ=2.0˙792˙ Show Solution