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Justin Castro
Mathematics
15 July, 22:24
2±√44 / 2
How do you simply this radical
+3
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Krista Schmidt
15 July, 22:53
0
depends on whether the 2 divides everything or just the square root
see below
Step-by-step explanation:
2 ±sqrt (44) / 2
We know that sqrt (ab) = sqrt (a) sqrt (b)
2 ±sqrt (4*11) / 2
2 ±sqrt (4) sqrt (11) / 2
{2 ±2 sqrt (11) } / 2
Now if the 2 in the denominator is under the entire top
Factor out a 2
2 (1±sqrt (11) } / 2
Cancel the 2
1±sqrt (11)
If the 2 is just under the sqrt of 44
2±2sqrt (11) / 2
Cancel the 2 in the numerator and denominator
2±sqrt (11) / 1
2±sqrt (11)
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