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If x ≠ 0, x(x^5)^2/x^4 =

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If x ≠ 0, x(x^5)^2/x^4 = [#permalink]

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New post 14 Oct 2017, 10:39
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95% (00:10) correct 5% (00:26) wrong based on 38 sessions

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If x ≠ 0, \(\frac{x(x^5)^2}{x^4}\) =

(A) x^5
(B) x^6
(C) x^7
(D) x^8
(E) x^9

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Re: If x ≠ 0, x(x^5)^2/x^4 = [#permalink]

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New post 14 Oct 2017, 11:04
In exponent we need to know that (a^b)^c = a^(bc).

Applying the above logic to the question at hand we get

(x*(x^5)^2)/(x^4) = (x*(x^10))/(x^4) = (x^11)/(x^4) = x^7

Hence answer is c
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If x ≠ 0, x(x^5)^2/x^4 = [#permalink]

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New post 14 Oct 2017, 11:04
SajjadAhmad wrote:
If x ≠ 0, \(\frac{x(x^5)^2}{x^4}\) =

(A) x^5
(B) x^6
(C) x^7
(D) x^8
(E) x^9


\(\frac{x(x^{5*2})}{x^4}=\frac{x^{10+1}}{x^4}\)

or \(x^{11-4}=x^7\)

Option C
If x ≠ 0, x(x^5)^2/x^4 =   [#permalink] 14 Oct 2017, 11:04
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