Question Simplify the expression xx Evaluate x−21Express with a positive exponent using a−n=an1 x211Use anm=nam to transform the expression x1Multiply by the Conjugate x×x1×xCalculate x1×xSolution xx Show Solution Find the roots x∈∅ Evaluate x−21To find the roots of the expression,set the expression equal to 0 x−21=0Find the domain x−21=0,x>0Calculate x−21=0Rewrite the expression x211=0Cross multiply 1=x21×0Simplify the equation 1=0Solution x∈∅ Show Solution
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