Quick questions on Integration by substitution (SACE Stage 2 Specialist Mathematics)

Q: What is not changing the limits for a definite integral?

If you switch to u but keep the original x-limits, the answer is wrong. Either convert the limits to u, or convert the antiderivative back to x first.

1short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is not changing the limits for a definite integral?

Show answer

If you switch to

u

but keep the original

x

-limits, the answer is wrong. Either convert the limits to

u

, or convert the antiderivative back to

x

first.

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