JAMB - Mathematics (1993 - No. 40)
The shaded portion in the venn diagram is
x \(\cap\) z
xo \(\cap\) y \(\cap\) z
x \(\cap\) yo \(\cap\) z
x \(\cap\) y \(\cap\) zo
Shpjegimi
The shaded part exists on x \(\cap\) z but not in y
The shaded portion in the venn diagram is