Question 109

If 9√x = √12 + √147 , then x = ?

Solution

given that 9√x = √12 + √147

$$\surd12$$ = 2$$\surd3$$

$$\surd147$$ = 7$$\surd3$$

hence ,

9$$\surd(x) = (2+7)\surd3$$

hence x = 3

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