How do you simplify #2+-1#?
2 Answers
Dec 11, 2016
Explanation:
as above
Dec 11, 2016
Explanation:
#"The symbol " +- " means" color(blue)" plus or minus"#
#"Hence " 2+-1" is evaluated as"#
#2+1color(red)" or " 2-1#
#"That is there are 2 values"#
#2+1=3color(red)" or " 2-1=1#