C-01-Q052mediumsingle_mcq

Which of the following is NOT a real number?

a $-3$
b $0$
c $\sqrt{2}$
d $\sqrt{-1}$

ব্যাখ্যা

$\sqrt{-1}$ has no real value because no real number squared gives a negative result; it is the imaginary unit $i$ . The other options are all genuine real numbers.

এই অধ্যায়ের আরও প্রশ্ন

C-01-Q053Which of the following is a positive number?
C-01-Q054Which of the following is a negative number?
C-01-Q055Non-negative numbers include—
C-01-Q056Which of the following is NOT a non-negative number?
C-01-Q057If are real, then is—
C-01-Q058For real numbers , equals—
C-01-Q059The associative property of addition states—
C-01-Q060The distributive property states—
C-01-Q061The additive identity in real numbers is—
C-01-Q062The multiplicative identity in real numbers is—

Real Numbers — সব প্রশ্ন দেখুন (149টি) →