C-01-Q064mediumsingle_mcq

For any nonzero real $a$ , $a \cdot \frac{1}{a}$ equals—

a $0$
b $1$
c $a^2$
d $a$

ব্যাখ্যা

$\frac{1}{a}$ is the multiplicative inverse of a nonzero $a$ , so multiplying them gives the multiplicative identity $1$ . This is why $a \cdot \frac{1}{a} = 1$ .

এই অধ্যায়ের আরও প্রশ্ন

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?
C-01-Q073Product of any two consecutive even integers is divisible by—
C-01-Q074Product of three consecutive natural numbers is always divisible by—

Real Numbers — সব প্রশ্ন দেখুন (149টি) →

For any nonzero real aaa, a⋅1aa \cdot \frac{1}{a}a⋅a1​ equals—

ব্যাখ্যা

এই অধ্যায়ের আরও প্রশ্ন

For any nonzero real aaa, a⋅1aa \cdot \frac{1}{a}a⋅a1​ equals—

ব্যাখ্যা

এই অধ্যায়ের আরও প্রশ্ন

For any nonzero real $a$ , $a \cdot \frac{1}{a}$ equals—

For any nonzero real $a$ , $a \cdot \frac{1}{a}$ equals—