MeganLouise MeganLouise

09-09-2017
Mathematics

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diven that 4x^3+x^(5/2) all over √x can be written in the form 4x^a+x^b, write down the value of a and the value of b

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09-09-2017

Here, make them all powers. You will get [tex] \frac{4x^3+x^ \frac{5}{2} }{x^ \frac{1}{2} } [/tex] and then what you do it divide each one by x^1/2 and you therefore get 4x^2.5 and x^2 so a=2.5 or 5/2 and b=2

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