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  • Simplify each of the following expressions: (ii) (3 + square root 3-multiply)(3 - square root3)

2.  Simplify each of the following expressions: 

(ii)    \left (3+\sqrt{3} \right )\left ( 3-\sqrt{3} \right )

 

Answers (1)

best_answer

The given number is 

 \left (3+\sqrt{3} \right )\left ( 3-\sqrt{3} \right )
Now, we will reduce it into
\Rightarrow (3+\sqrt{3})(3-\sqrt{3})= \left ( (3)^2-(\sqrt{3})^2 \right )                  \left ( using \ (a+b)(a-b)=a^2-b^2 \right )
                                              =9 - 3 = 6

Therefore, answer is 6. 

 

Posted by

Gautam harsolia

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