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Mathematical Methods — Question 1

QCAA 2025, Paper 2 · 1 mark

Q1 · 2025 · Technology-activeSimple familiar1 mark

QUESTION 1

Determine

\displaystyle\int10.4x^3\,dx

.

(A)

2.6x^4+c

(B)

6.4x^4+c

(C)

14.4x^4+c

(D)

41.6x^4+c

ABCD

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WORKED SOLUTION

Answer A

1 mark

ANSWER

A —

2.6x^4+c

Worked solution

\int10.4x^3\,dx=10.4\frac{x^4}{4}+c=2.6x^4+c

, so option A.

Selects option A.

[1 mark]

Worked explanation by QCE Vault; correct option verified against the QCAA answer key.

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