1%91 . IV:-Y + = امتحان ریاض x مسلسل الطفو x فور رید !- قر x • docs.google.com/fo أسئلة الفصل الاول رياضيات حاسبات Middle Technical University Electrical Engineering Technical College Department of...

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Extracted text: 1%91 . IV:-Y + = امتحان ریاض x مسلسل الطفو x فور رید !- قر x • docs.google.com/fo أسئلة الفصل الاول رياضيات حاسبات Middle Technical University Electrical Engineering Technical College Department of Computer Techniques Engineering Subject:Mathematics Stage: Firs Year Class Date: Lecturer: Ban Farhan Dawood Time: one and half hour الفصل الأول 2020-2021 Choose the Correct answer for the following: 1- dx * for y= sech³ x is equal to: a) sech x tanh x b) 3sech sech tanh x c)-3sech?x sechx tanhx 2- 2 for y = logs(x+ 1)² is equal to: dx 5(x+1) b) (x+1)tn5 (x+1) c) (x+1)In5 a) 2 3-2 for y =x sinx is equal to: a)2x cosx b) 2x sinx + cosx 2x c) x cosx + sinx 2x 4- If f(x) *+x-9 a)3 x2-3 then lim /(x) is equal to: b)4 c)2 5- 2 for y = tan (3x) is equal to: a) 6x sec(3x) tan(3x) b) sec (3x) c) 6x sec (3x) * for y = (4x"- 6x²+5) is equal to: b)16x -12x+5 6- dx 12 -6x c)16x -12x a) 7- for csche is equal to: dx de a) csch e.cothe dx b) – csch e.coth e de c) - csch e.coth e 8- for y = (x?+ 1)5 a)10(x2 + 1)5 dx b) 10x(x? + 1)* c) (x² + 1)* 9- for y = cosx is dx a)sinx b)sin2x c)-sinx 10- Sin'x - cos'x is equal to: b)l a)2x c)-1 Head of department Lecturer II <>