Quiz-XII B.Maths

10

5

13

15

 $6x^2+8x+1$  

 $\frac{x^4}{2}+\frac{4x^3}{3}-\frac{x^2}{2}+3x$  

 $6x^2-8x+1$  

 $6x^2+8x-1$  

 $-\frac{\left(3x^2+8y\right)}{8x+3y^2}$  

 $\frac{-3x^2+8y}{8x+3y^2}$  

 $\frac{3x^2-8y}{8x+3y^2}$  

 $\frac{-3x^2-8y}{8x-3y^2}$  

 $\frac{4}{x^2}$  

 $\frac{x^3}{4}$  

 $4\times\frac{1}{x^2}$  

 $\frac{1}{x^2}$  

 $-\frac{\left(2x+y\right)}{\left(x+3y^2\right)}$  

 $-\frac{\left(2x-y\right)}{\left(x+3y^2\right)}$  

 $-\frac{\left(2x+y\right)}{\left(x-3y^2\right)}$  

 $\frac{\left(2x+y\right)}{\left(x-3y^2\right)}$  

3

18

12

-4

 $1$  

4

5

 $-1$  

3

4

5

27

2x

4x

2x+4

4x+4

slope of the tangent line

slope of the normal line

exponent

line