Simplify. √75 OA. 3√5 OB. 15√5 OC. 25√3 OD. 5√3
1 answer:
Answer:
Option D
Step-by-step explanation:
Using the surd law :
We can find the largest square number that goes into 75 :
Let's write the multiples of 75 :
1 , 75
3 , 25
5 , 15
The only square number is 25
So using the law mentioned above we split √75 into :
√25√3
The square root of 25 is 5
Now we have our final answer of 5√3
Hope this helped and have a good day
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Answer:
The augmented matrix of the system is .
We apply operations rows:
1. We swap row 1 and 2 and obtain the matrix .
2. Of the above matrix we subtract row 1 from row 2 twice (R2 - 2R1) and we subtract row 1 from row 3, 5 times. (R3-5R1). We obtain the matrix
3. Of the above matrix we subtract row 2 from row1 twice (R3 - R2) and multiply the row 1 by -1 (-R2). Weobtain the matrix .
Since each pivote is an one then we conclude that the above matrix is the reduced row-echelon form of the matrix of the system.