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