Question

Find the value of $2\sqrt{11}+9\sqrt{11}$ ?

• A. $2\sqrt{11}$
• B. $9\sqrt{11}$
• C. $11\sqrt{11}$
• D. $\sqrt{11}$

Answer 1

The correct option is C $11\sqrt{11}$

$2\sqrt{11}+9\sqrt{11}$

Now, taking $\sqrt{1}1$ common from the expression
$(2+9)\sqrt{11}$
=$11\sqrt{11}$