C-01-Q062mediumsingle_mcq

The multiplicative identity in real numbers is—

a $0$
b $1$
c $a$
d $-1$

ব্যাখ্যা

The multiplicative identity is the number that leaves any real number unchanged under multiplication, i.e. $a \cdot 1 = a$ for every real $a$ . Only $1$ has this property.

এই অধ্যায়ের আরও প্রশ্ন

C-01-Q063For any real , equals—
C-01-Q064For any nonzero real , equals—
C-01-Q065If are real, which of the following is always true?
C-01-Q066If are real and , then compared with is—
C-01-Q067If and , then compared with is—
C-01-Q068If and , then compared with is—
C-01-Q069When is added to the product of four consecutive natural numbers, the result is—
C-01-Q070equals—
C-01-Q071equals—
C-01-Q072If are four consecutive natural numbers, which of the following is a perfect square?

Real Numbers — সব প্রশ্ন দেখুন (149টি) →