Multiple choice

The Boolean expression F(X, Y, Z) = $\bar{X}Y \bar{Z} + X\bar{Y}\bar{Z} + XY\bar{Z} + XYZ$ converted into the canonical product of sum (POS) form is

  1. (X + Y + Z) (X + Y + $\bar{Z}$) (X + Y + $\bar{Z}$) ($\bar{X}$ + Y + $\bar{Z}$)
  2. (X + $\bar{Y}$ + Z) ($\bar{X}$ + Y + $\bar{Z}$) ($\bar{X}$ + $\bar{Y}$ + Z) ($\bar{X}$ + $\bar{Y}$ + $\bar{Z}$)
  3. (X + Y + Z) ($\bar{X}$ + Y + $\bar{Z}$) (X + $\bar{Y}$ + Z) ($\bar{X}$ + $\bar{Y}$ + $\bar{Z}$)
  4. (X + $\bar{Y}$ + $\bar{Z}$) (X + Y + Z) (X + $\bar{Y}$ + Z) (X + Y + Z)
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