MOST IMPORTANT QUESTIONS FOR CET, IIT-JEE, AIEEE ..etc ALL ENTRANCES

Most Important Questions [ DERIVATIVE ] MOST IMPORTANT QUESTIONS FOR CET, IIT-JEE, AIEEE ..etc ALL ENTRANCES. Multiple choice Questions (part.1) [JEE, NEET ,CET ,AIEEE, IITJEE Advanced ] 1) 3x ^2 +2xy+y^2 =6 then dy/dx at (1,1) is ....... {IIT 1990} (a) 1 (c) 2 (b)-1 (d)-2 Ans.*(d) 2) If f(x) is an odd differentiable function defined on( negative infinity , infinity )such that f'( – 3)=2 then f'(- 3) is equal to........ {IIT 1992} (a) 0 (c)2 (b) 1 (d)4 Ans.*(c) 3)if y=f(x) ...