Challenging Mathematics Concepts

What is the derivative of sin(x)?

• tan(x)

• cosh(x)

• sec(x)

• cos(x)

Solve for x: 2x^2 - 4x + 2 = 0

• x = 1

• x = 0

• x = -1

• x = 2

What is the integral of 1/x dx?

• x + C

• ln|x| + C

• 1/x^2 + C

• ln(x) + C

If a triangle has sides of length 3, 4, and 5, is it a right triangle?

• No, it is an obtuse triangle.

• Yes, it is an equilateral triangle.

• Yes, it is a right triangle.

• No, it is a scalene triangle.

What is the value of the limit as x approaches 0 of (sin(x)/x)?

• -1

• 1.5

• 1

• 0