Question (z−1)6 Simplify the expression z6−6z5+15z4−20z3+15z2−6z+1 Evaluate (z−1)6Solution z6−6z5+15z4−20z3+15z2−6z+1 Show Solution Find the roots z=1 Evaluate (z−1)6To find the roots of the expression,set the expression equal to 0 (z−1)6=0The only way a power can be 0 is when the base equals 0 z−1=0Move the constant to the right-hand side and change its sign z=0+1Solution z=1 Show Solution
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