Answer:
The empty set is defined as the complement of the universal set. That means where Universal set consists of a set of all elements.
The empty set is defined as the complement of the universal set. That means where Universal set consists of a set of all elements, the empty set contains no elements of the subsets. The empty set is also called a Null set and is denoted by '{}'.
HOPE IT HELP YOU!
Step-by-step explanation:
2x^2+6x=36
x^2+3x=12
x^2+3x-12=0
x=(-3+(57)^0.5)/2 or x=(-3-(57)^0.5)/2
9
x=1
=2^3×1-1
=8×1-1
=8-1
=7
D i think i hope i helped
A
