Prove that 2 log b(a)^4. logc(b)^3 loga(c)^5= 120.
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Step-by-step explanation:
2. logb a⁴ . logc b³ . loga c⁵
= 2.(4 log a/log b)(3log b /log c)( 5log c/ log a)
=2.4.3.5
= 120
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