A-Level H2 Math
5 Essential Questions

Here is where we provide free online Revision materials for your H2 Math. We have compiled 5 essential questions from each topic for you and broken down the core concepts with video explanations. Please download the worksheet and try the questions yourself! Have fun learning with us, consider joining our tuition classes or online courses.

  • Q1
  • Q2
  • Q3
  • Q4
  • Q5
2013 RVHS Promo Q3

The diagram shows the sketch of the curve $C$, ${{\left( y-1 \right)}^{2}}=x\sqrt{{{x}^{2}}-1}$, with the vertex at $\left( 1,1 \right)$.

(i)

Write down the equation of the graph when $C$ is translated $1$ unit in the negative $y$-direction.

[1]

(i) Write down the equation of the graph when $C$ is translated $1$ unit in the negative $y$-direction.

[1]

(ii)

The shaded region $R$, bounded by $C$ and the vertical line, $x=a$, is rotated through $\pi $ radians about the line $y=1$. By using the substitution $u=\sqrt{{{x}^{2}}-1}$, or otherwise, find the exact volume obtained in terms of $a$.

[5]

(ii) The shaded region $R$, bounded by $C$ and the vertical line, $x=a$, is rotated through $\pi $ radians about the line $y=1$. By using the substitution $u=\sqrt{{{x}^{2}}-1}$, or otherwise, find the exact volume obtained in terms of $a$.

[5]

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2013 AJC Promo Q8 (b)

The diagram shows a shaded region $R$ bounded by the curve ${{\left( y-2 \right)}^{2}}=x+1$ and the line $y+2x=6$.

  Find the volume generated when $R$ is rotated through $2\pi $ radians about the $x$-axis, leaving your answer correct to $3$ significant figures.

[4]

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2017 YJC P1 Q9

(a)

By using the substitution $x=3\sec \theta $, evaluate $\int_{3\sqrt{2}}^{6}{\frac{3x+1}{\sqrt{{{x}^{2}}-9}}\text{d}x}$ exactly.

[5]

(a) By using the substitution $x=3\sec \theta $, evaluate $\int_{3\sqrt{2}}^{6}{\frac{3x+1}{\sqrt{{{x}^{2}}-9}}\text{d}x}$ exactly.

[5]

(b)

The diagram shows an ellipse with equation $\frac{{{x}^{2}}}{16}+\frac{{{\left( y-2 \right)}^{2}}}{4}=1$.

(b)

The diagram shows an ellipse with equation $\frac{{{x}^{2}}}{16}+\frac{{{\left( y-2 \right)}^{2}}}{4}=1$.

(i)

Find the area of the shaded region, giving your answer correct to $3$ decimal places.

[2]

(i) Find the area of the shaded region, giving your answer correct to $3$ decimal places.

[2]

(ii)

Find the exact volume of the solid generated when the shaded region is rotated $180{}^\circ $ about the $y$-axis.

[4]

(ii) Find the exact volume of the solid generated when the shaded region is rotated $180{}^\circ $ about the $y$-axis.

[4]

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  • (b) (i)
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2020 ASRJC P2 Q4

(a)

Find $\int{\left( {{\cot }^{6}}2x+{{\cot }^{4}}2x-\sin \frac{x}{2}\sin \frac{3x}{2} \right)}\text{ d}x$.

[3]

(a) Find $\int{\left( {{\cot }^{6}}2x+{{\cot }^{4}}2x-\sin \frac{x}{2}\sin \frac{3x}{2} \right)}\text{ d}x$.

[3]

(b)

The diagram shows the graphs of $y={{\text{e}}^{2x}}$ and $y={{\left( x+1 \right)}^{2}}$. $R$ is the finite region bounded by the two curves $y={{\text{e}}^{2x}}$ and $y={{\left( x+1 \right)}^{2}}$. Find the volume of the solid formed when $R$ is rotated through $2\pi $ radians about the $y$-axis, giving your answer correct to $4$ decimal places.

[3]

(b) The diagram shows the graphs of $y={{\text{e}}^{2x}}$ and $y={{\left( x+1 \right)}^{2}}$.

$R$ is the finite region bounded by the two curves $y={{\text{e}}^{2x}}$ and $y={{\left( x+1 \right)}^{2}}$.

Find the volume of the solid formed when $R$ is rotated through $2\pi $ radians about the $y$-axis, giving your answer correct to $4$ decimal places.

[3]

(c)

A curve $C$ has parametric equations

$x=2\left( \sin \frac{t}{2}-\cos \frac{t}{2} \right)$, $y=\sin \frac{t}{2}+\cos \frac{t}{2}$, for $-\frac{3\pi }{2}\le t\le -\frac{\pi }{2}$.

The line $L$ with equation $y=-2x-5$ meets the curve $C$ at the point $\left( -2,\,-1 \right)$. $S$ is the region enclosed by line $L$, curve $C$and the $x$-axis as shown in the diagram below.

(c) A curve $C$ has parametric equations

$x=2\left( \sin \frac{t}{2}-\cos \frac{t}{2} \right)$, $y=\sin \frac{t}{2}+\cos \frac{t}{2}$, for $-\frac{3\pi }{2}\le t\le -\frac{\pi }{2}$.

The line $L$ with equation $y=-2x-5$ meets the curve $C$ at the point $\left( -2,\,-1 \right)$.
$S$ is the region enclosed by line $L$, curve $C$and the $x$-axis as shown in the diagram below.

(i)

Show that the x-intercept of curve $C$ is $-2\sqrt{2}$.

[2]

(i) Show that the x-intercept of curve $C$ is $-2\sqrt{2}$.

[2]

(ii)

Find the exact area of $S$.

[6]

(ii) Find the exact area of $S$.

[6]

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  • (c) (i)
  • (c) (ii)

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2011 CJC P1 Q8

The diagram below shows the curve with equation $y={{x}^{2}}-1$, $x>0$ and the tangent $y=2x-2$ to the curve at the point $(1,0)$.

(i)

Write down the coordinates of the point where this tangent meets the line $x=3$.

[1]

(i) Write down the coordinates of the point where this tangent meets the line $x=3$.

[1]

The region, $R$, shaded in the diagram, is bounded by the curve, the tangent to the curve at $(1,0)$ and the line $x=3$.

Find

(ii)

the area of $R$,

[2]

(ii) the area of $R$,

[2]

(iii)

the exact volume of the solid of revolution obtained when $R$ is rotated through $2\pi $ radians about the $y$-axis.

[4]

(iii) the exact volume of the solid of revolution obtained when $R$ is rotated through $2\pi $ radians about the $y$-axis.

[4]

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  • (ii)
  • (iii)

  • (i)
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