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It assesses knowledge in subjects relevant to the candidate’s chosen course of study.","tags","utme jamb joint admission matriculation board unified tertiary matriculation examination nigeria africa","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",5,"createdOn",1755987353430,"updatedOn","questionsCount",29915,"courseCount",20,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":415,"_416":417,"_263":370,"_418":419,"_420":421,"_110":426},"Vsifsnl4TahQY6fBQh8Vs1tST5mYWP","q","If 2log₃ y + log₃ x² = 4, then y is","ans",[414],3,"1993","course","mathematics","exp","2log₃y + log₃x² = 4
\n
\nlog₃y² + log₃x² = 4
\n
\n∴ log₃ (x²y²) = log₃81(correct all to base 4)
\n
\nx²y² = 81
\n
\n∴ xy = \\(\\pm\\)9
\n
\n∴ y = \\(\\pm\\)\\(\\frac{9}{x}\\)","opts",[422,423,424,425],"4 - log₃","\\(\\frac{4}{log_3 x}\\)","\\(\\frac{4}{x}\\)","\\(\\pm\\) \\(\\frac{9}{x}\\)",7,"7","initComment","initReply","actionData","errors"]

JAMB - Mathematics (1993 - No. 7)

Explanation

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