Salam Academy
Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

Sign in to check answers. Your attempts build your mastery and error book.

12 questions

SA-FP-RA-0042 marksL1 FoundationCalculatorArc length
Use the arc length formula to find the length of y=2xy=2x from x=0x=0 to x=1x=1 (to 4 s.f.).

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FP-RA-Q011 markL1 FoundationNon-calculatorArc length
The arc length of y=f(x)y=f(x) from aa to bb is
Choose one option

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FP-RA-X041 markL1 FoundationNon-calculatorArc length
Use the arc length formula to find the length of y=2xy=2x from x=0x=0 to x=1x=1.

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FP-RA-0012 marksL2 StandardCalculatorReduction formulae
Using the same formula, find I2I_2 (to 4 s.f.).

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FP-RA-G012 marksL2 StandardNon-calculatorReduction formulae
In=∫01xnexdxI_n=\int_0^1x^ne^xdx with In=e−nIn−1I_n=e-nI_{n-1} and I0=e−1I_0=e-1. Find I1I_1.

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FP-RA-X012 marksL2 StandardNon-calculatorReduction formulae
In=∫01xnex dxI_n=\int_0^1x^ne^x\,dx satisfies In=e−nIn−1I_n=e-nI_{n-1}, and I0=e−1I_0=e-1. Find I1I_1.

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FP-RA-X022 marksL2 StandardNon-calculatorReduction formulae
Using the same reduction formula, find I2I_2 exactly.

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FP-RA-X052 marksL2 StandardNon-calculatorSurface area
The line y=3y=3, 0≤x≤20\le x\le2, is rotated 2π2\pi about the xx-axis. Use the surface area formula to find the curved surface area.

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FP-RA-0023 marksL3 ExamCalculatorReduction formulae
In=∫0π/2sin⁡nx dxI_n=\int_0^{\pi/2}\sin^nx\,dx satisfies In=n−1nIn−2I_n=\frac{n-1}nI_{n-2}, I0=π2I_0=\frac\pi2. Find I4I_4 (to 4 s.f.).

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FP-RA-0033 marksL3 ExamNon-calculatorArc length
Find the length of y=23x3/2y=\frac23x^{3/2} from x=0x=0 to x=3x=3.

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FP-RA-X033 marksL3 ExamNon-calculatorArc length
Find the length of the curve y=23x3/2y=\frac23x^{3/2} from x=0x=0 to x=3x=3.

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-FP-RA-0053 marksL4 ChallengingCalculatorSurface area
The line y=xy=x, 0≤x≤10\le x\le1, is rotated about the xx-axis. Find the curved surface area (to 3 s.f.).

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme