Question Simplify the expression 2−k Evaluate 2−1×kSolution 2−k Show Solution Find the roots k=2 Evaluate 2−1×kTo find the roots of the expression,set the expression equal to 0 2−1×k=0Any expression multiplied by 1 remains the same 2−k=0Move the constant to the right-hand side and change its sign −k=0−2Removing 0 doesn't change the value,so remove it from the expression −k=−2Solution k=2 Show Solution
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