Engineering Mathematics Quiz 

HOWZIT will present prizes to the winners

WELCOME   HOWZIT

WELCOME   HOWZIT

What is the first derivative dy/dx of the expression (xy)^x = e

-y(1 - ln xy)/x^2

-y(1 + ln xy)/x

0

x/y

Find the slope of (x^2)y = 8 at the point (2.2)

2

-1

-1/2

-2

If y1 = 2x + 4 and y2 = x^2 + C. Find the value of C such that y2 is tangent to y1

6

5

7

4

Determine the slope of the curve y = x^2 - 3x as it passes through the origin

-4

2

-3

0

Find the derivative of [(x + 1)^3]/x

[3(x + 1)^2]/x - [(x + 1)^3]/x^2

[2(x + 1)^3]/x - [(x + 1)^3]/x^3

[4(x + 1)^2]/x - [2(x + 1)^3]/x

[(x + 1)^2]/x - [(x + 1)^3]/x

The derivative with respect to x of 2cos^2 (x^2 + 2)

4 sin (x^2 + 2) cos (x^2 + 2)

-4 sin (x^2 + 2) cos (x^2 + 2)

8x sin (x^2 + 2) cos (x^2 + 2)

-8x sin (x^2 + 2) cos (x^2 + 2)