C-01-Q128mediumsingle_mcq

If $a = \sqrt{3}$ and $b = \sqrt{12}$ , then $ab$ equals—

a $6$ , which is rational
ban irrational number
ca complex number
dundefined

ব্যাখ্যা

Using $\sqrt{a}\cdot\sqrt{b}=\sqrt{ab}$ , we get $\sqrt{3}\cdot\sqrt{12}=\sqrt{36}=6$ . Since $36$ is a perfect square, the product is the rational number $6$ .

এই অধ্যায়ের আরও প্রশ্ন

C-01-Q129If and , then equals—
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C-01-Q132If and , then is always—
C-01-Q133If and , then is—
C-01-Q134If with , then is always divisible by—
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Real Numbers — সব প্রশ্ন দেখুন (149টি) →

If $a = \sqrt{3}$ and $b = \sqrt{12}$ , then $ab$ equals—

6

, which is rational

ban irrational number

ca complex number

dundefined

ব্যাখ্যা

Using $\sqrt{a}\cdot\sqrt{b}=\sqrt{ab}$ , we get $\sqrt{3}\cdot\sqrt{12}=\sqrt{36}=6$ . Since $36$ is a perfect square, the product is the rational number $6$ .

If a=3a = \sqrt{3}a=3​ and b=12b = \sqrt{12}b=12​, then ababab equals—

ব্যাখ্যা

এই অধ্যায়ের আরও প্রশ্ন

If a=3a = \sqrt{3}a=3​ and b=12b = \sqrt{12}b=12​, then ababab equals—

ব্যাখ্যা

এই অধ্যায়ের আরও প্রশ্ন

If $a = \sqrt{3}$ and $b = \sqrt{12}$ , then $ab$ equals—

If $a = \sqrt{3}$ and $b = \sqrt{12}$ , then $ab$ equals—