Question Simplify the expression a−1 Evaluate 1×a−1Solution a−1 Show Solution Find the roots a=1 Evaluate 1×a−1To find the roots of the expression,set the expression equal to 0 1×a−1=0Any expression multiplied by 1 remains the same a−1=0Move the constant to the right-hand side and change its sign a=0+1Solution a=1 Show Solution
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