Question Simplify the expression 121 Evaluate 121×a2a2Divide the terms 121×1Solution 121 Show Solution Find the excluded values a=0 Evaluate (121×a2a2)To find the excluded values,set the denominators equal to 0 a2=0Solution a=0 Show Solution Find the roots a∈∅ Evaluate (121×a2a2)To find the roots of the expression,set the expression equal to 0 121×a2a2=0The only way a power can not be 0 is when the base not equals 0 121×a2a2=0,a=0Calculate 121×a2a2=0Simplify the expression 121×1=0Any expression multiplied by 1 remains the same 121=0Solution a∈∅ Show Solution