Question Simplify the expression x21 Evaluate dx2dSolution x21 Show Solution Find the excluded values d=0,x=0 Evaluate dx2dTo find the excluded values,set the denominators equal to 0 dx2=0Separate the equation into 2 possible cases d=0x2=0The only way a power can be 0 is when the base equals 0 d=0x=0Solution d=0,x=0 Show Solution
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