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lord [1]
3 years ago
13

Question in attached file

Mathematics
1 answer:
Dovator [93]3 years ago
7 0
13 is C, √10
Rational numbers are numbers that can be expressed as a ratio, or a fraction.


14 is C, 9.5 × 10^5 
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7 0
2 years ago
Find two additional roots of P(x)=0.<br><br> 13+sqrt 3 and 7i
vova2212 [387]
So, x = 13, x = √3 and x =7i.

now, recall that for an EVEN radical, there are two possible roots, namely is say √3 is say hmmm some value "a", that means that a*a = √3, however, -a*-a is also √3, therefore, ±√3 are two valid values, and therefore -√3 is another one.

now.... keep in mind that, complex solutions or roots, never come all by their lonesome, their sister is always with them, the conjugate, so, for 7i or namely 0 + 7i, her sister is always around, 0 - 7i, which is the other root.
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