What is the main focus of the video tutorial?

• Differentiating polynomial functions

• Solving quadratic equations

• Solving linear equations

• Integrating exponential and trigonometric functions

In the first integration by parts example, what is chosen as 'u'?

• sine of 3x

• e to the 2x

• 2 e to the 2x

• cosine of 3x

What is the antiderivative of cosine in the first example?

• Cosine

• Negative sine

• Sine

• Negative cosine

In the second example, what is the antiderivative of sine?

• Negative sine

• Sine

• Cosine

• Negative cosine

What is the purpose of combining like terms in the integration process?

• To differentiate the function

• To solve a quadratic equation

• To simplify the expression

• To find the derivative

What is the result of distributing negative two-thirds in the expression?

• Positive 2 over 9

• Negative 2 over 9

• Positive 4 over 9

• Negative 4 over 9

How is the original integral isolated in the final steps?

• By dividing by a variable

• By adding fractions

• By multiplying by the reciprocal

• By subtracting constants

What happens to the constant 'C' when multiplied by another constant?

• It becomes negative

• It doubles

• It remains an arbitrary constant

• It becomes zero

What is the reciprocal used to eliminate the fraction in the final step?

• 13 over 9

• 9 over 13

• 3 over 13

• 2 over 13

What is the main challenge when dealing with constant multiples in integration?

• Adding them to both sides

• Distributing fractions correctly

• Finding the derivative

• Solving for x