MathematicsVariationJAMB
F varies inversely as the square of d. If F = 36 when d = 2, find F when d = 3.
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Answer: C. 16
F = k/d²: k = 36 × 4 = 144; F = 144/9 = 16.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.