Math, asked by Ammar68, 1 year ago

are these both null sets?

1. {x | x is less than 10 and greater than 11}

2. {x | x is a real # and x^2 is -1}

Answers

Answered by Skamboy

Maybe.. 1st one is not a null set

Previous Question

Next Question

Similar questions

Math, 7 months ago

Math, 7 months ago

If $\frac{ \cot( \alpha - \beta ) }{ \cot( \alpha ) } + \frac{ { \cos^{2}( \gamma )} }{{ \cos^{2}( \alpha )} } = 1$ then find the value of $\tan^{2} ( \gamma ) + \tan( \alpha ) \cot( \beta )$ ...

Math, 7 months ago

Chemistry, 1 year ago

Biology, 1 year ago

Math, 1 year ago

Math, 1 year ago

Geography, 1 year ago