class 11

Math

Algebra

Sets

If $f(x)+2f(x1 )=3x,x=0,$and $S={x∈R:f(x)=f(−x)}$; then S:

- is an empty set.
- contains exactly one element.
- contains exactly two elements.
- contains more than two elements

Similar Topics

determinants

complex number and quadratic equations

matrices

sequences and series

binomial theorem