Complex Numbers
India
Class XI
Operations with Negative Surds
Interactive practice questions
$-\sqrt{81}$−√81 is a real number. True or false?
True
A
False
B
Easy
< 1min
$\sqrt{-16}$√−16 is a real number. True or false?
Easy
< 1min
Express $\sqrt{-100}$√−100 in terms of $i$i.
Easy
< 1min
Express $-\sqrt{-100}$−√−100 in terms of $i$i.
Easy
< 1min
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