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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",19,"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},"hDOCM3OrjHU8Htj6yqXJVGrJEXDE4f","q","Find the eleventh term of the progression 4, 8, 16.....","ans",[414],1,"1987","course","mathematics","exp","a = 4, r = \\(\\frac{4}{2}\\)
\n
\n\\(\\frac{8}{4}\\) = 2
\n
\nn = 11
\n
\nT_n = ar^{n - 1}
\n
\nT₁₁ = 4(2)^{11 - 1}
\n
\n4(2)¹⁰ = 2¹²
\n
\nsince 4 = 2²
\n
\n= 2¹²","opts",[422,423,424,425],"2¹³","2¹²","2¹¹","2¹⁰",26,"26","initComment","initReply","actionData","errors"]

JAMB - Mathematics (1987 - No. 26)

Explanation

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