Integrating Composite Functions (Leaving Cert Applied Maths): Quizzes

📚Quizzes
Integrating Composite Functions
Sign up to keep practising.Create a free account to play more quizzes and track your progress.

Practise the questions

12 questions from this quiz

Show

Why can't we use a 'reverse chain rule' for integrating composite functions?

No such rule exists for integration

What is the main purpose of the substitution method in integration?

Transform to simpler integrable form

What is the most critical step in the substitution process?

Selecting right substitution at start

What makes a substitution choice 'good' for integration?

Derivative appears naturally elsewhere

For ∫013x2x3+2dx\int_0^1 \frac{3x^2}{x^3+2} dx, what is the optimal substitution?

u=x3+2u = x^3 + 2

If u=x3+2u = x^3 + 2, what does dudu equal?

3x2dx3x^2 dx

After substitution, ∫3x2x3+2dx\int \frac{3x^2}{x^3+2} dx transforms to which simpler integral?

∫1udu\int \frac{1}{u} du

How many valid approaches exist for definite integrals using substitution?

Two equally valid approaches

Do both methods for definite integrals give the same result?

Yes, both give identical results

For ∫xx+1dx\int \frac{x}{x+1} dx with u=x+1u = x+1, what extra step is needed?

Express xx in terms of uu

Where is the inner function typically found in composite functions?

In brackets, under root, or denominator

What key skill develops with practice in substitution?

Pattern recognition intuition

Explore Leaving Cert Applied Maths Revision Notes by Topics

Explore Leaving Cert Applied Maths Model Answers by Topics

Explore Leaving Cert Applied Maths Flashcards by Topics

Explore Leaving Cert Applied Maths Exam Questions by Topics

Join 100,000+ Leaving Cert students studying Quizzes with us.

Select your subjects, and get access to A+ resources today.