If 
, then the value of √(a + 9) is:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e 5.
| Understanding/Application |
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(3a+3 x 4a+6 x 25a+1)/(27a-1 x 8a-2x 125a+4) = 4/1526 3-2a+6 x 2-a+18 x 5-a-10 = 22 x 5-26 x 3-26 Compare any number of multiple. Let compare the power of 2 both sides -a + 18 = 2 a = 16 Now, √ a + 9 = √ 16 + 9 = √25= 5 |