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NDA 2024
Exam
NDA
Year
2024
Subject
Mathematics
Chapter
Basics of Mathematics

NDA 2024 · Mathematics · Basics of Mathematics

If _b a=p, _d c=2 p and _f e=3 p , then what is ( ace )^ (1)/(p)...

If log⁡ba=p,log⁡dc=2p\log _b a=p, \log _d c=2 p and log⁡fe=3p\log _f e=3 p, then what is ( ace )1p(\text{ ace })^{\frac{1}{p}} equal to?

Options

  1. Abd2f3b d^2 f^3
  2. Bbdfb d f
  3. Cb3d2fb^3 d^2 f
  4. Db2d2f2b^2 d^2 f^2

Correct answer

A. bd2f3b d^2 f^3

Step-by-step solution

∵log⁡ba=P⇒a=bPlog⁡dc=2P⇒c=d2Plog⁡fe=3P⇒e=f3P(ace)1P=(bPd2Pf3P)1P=bd2f3.\begin{aligned} \because \quad \log _b a & =\mathrm{P} \Rightarrow a=b^{\mathrm{P}} \\ \log _d c & =2 \mathrm{P} \Rightarrow c=d^{2 \mathrm{P}} \\ \log _f e & =3 \mathrm{P} \Rightarrow e=f^{3 \mathrm{P}} \\ (a c e)^{\frac{1}{\mathrm{P}}} & =\left(b^{\mathrm{P}} d^{2 \mathrm{P}} f^{3 \mathrm{P}}\right)^{\frac{1}{\mathrm{P}}} \\ & =b d^2 f^3.\end{aligned}
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