Content Level-1 Problem-168 Click for video

Steps Problem Solution

1

Determine the value of an expression,if z=1

\$ (z-1)^2 \$

2

Given expression

\$ (z-1)^2 \$

3

Substitute the z value in expression

\$ (1-1)^2 \$

4

After simplification we get

\$ 0^2 \$

5

Hence the solution of the given expression is

\$ 0 \$

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