Academics – Mathematics : 2016/APR/02
Question
Q2. (a) The minimum diameter d of a shaft with rotational frequency f and subjected to a bending moment M and torque T can be derived from the formula:
D2 = 16/πf (M+√(M2+ T2 ))
Transport this formula to make M the subject.
(b) Factories EACH of the following as fully as possible:
(i) x2 -y2-6x+9
(ii) 20a3b3 - 36a2b2 - 8ab
Asked in Year/Month/Ques No.
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