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#1444 Mathematics Derivatives
VSA APPLY 2025 AISSCE(Board Exam)
Competency 2 Marks
Differentiate $\sqrt{e^{\sqrt{2x}}}$ with respect to $e^{\sqrt{2x}}$ for $x>0$.
#1439 Mathematics Derivatives
LA REMEMBER 2025 AISSCE(Board Exam)
Competency 5 Marks
For a positive constant 'a', differentiate $a^{t+\frac{1}{t}}$ with respect to $(t+\frac{1}{t})^{a}$ where t is a non-zero real number.
#1438 Mathematics Matrices and Determinants
LA UNDERSTAND 2025 AISSCE(Board Exam)
Competency 5 Marks
A furniture workshop produces three types of furniture chairs, tables and beds each day. On a particular day the total number of furniture pieces produced is 45. It was also found that production of beds exceeds that of chairs by 8, while the total production of beds and chairs together is twice the production of tables. Determine the units produced of each type of furniture, using matrix method.
#1437 Mathematics Applications of Integrals
LA UNDERSTAND 2025 AISSCE(Board Exam)
Competency 5 Marks
Sketch a graph of $y=x^{2}$. Using integration, find the area of the region bounded by $y=9$, $x=0$ and $y=x^{2}$.
#1436 Mathematics Probability
SA UNDERSTAND 2025 AISSCE(Board Exam)
Competency 3 Marks
A person has a fruit box that contains 6 apples and 4 oranges. He picks out a fruit three times, one after the other, after replacing the previous one in the box. Find: (i) The probability distribution of the number of oranges he draws. (ii) The expectation of the random variable (number of oranges).
#1430 Mathematics Definite Integrals
SA APPLY 2025 AISSCE(Board Exam)
Competency 3 Marks
Evaluate: $\int_{1}^{4}(|x-2|+|x-4|)dx$.
#1428 Mathematics Applications of Derivatives
SA UNDERSTAND 2025 AISSCE(Board Exam)
Competency 3 Marks
Find the value of 'a' for which $f(x)=\sqrt{3}\sin x-\cos x-2ax+6$ is decreasing in R.
#1416 Mathematics Applications of Derivatives
LA UNDERSTAND 2025 AISSCE(Board Exam)
Competency 5 Marks
The relation between the height of the plant (y cm) with respect to exposure to sunlight is governed by the equation $y=4x-\frac{1}{2}x^{2}$, where x is the number of days exposed to sunlight. (i) Find the rate of growth of the plant with respect to sunlight. (ii) In how many days will the plant attain its maximum height? What is the maximum height?
#1415 Mathematics Matrices and Determinants
LA ANALYZE 2025 AISSCE(Board Exam)
Competency 5 Marks
If A is a $3\times3$ invertible matrix, show that for any scalar $k\ne0$, $(kA)^{-1}=\frac{1}{k}A^{-1}$. Hence calculate $(3A)^{-1}$, where $A=\begin{bmatrix}2&-1&1\\ -1&2&-1\\ 1&-1&2\end{bmatrix}$.
#1414 Mathematics Linear Programming
SA REMEMBER 2025 AISSCE(Board Exam)
Competency 3 Marks
Solve the following Linear Programming Problem using graphical method: Maximise $Z=100x+50y$ subject to the constraints $3x+y\le600$, $x+y\le300$, $y\le x+200$, $x\ge0$, $y\ge0$.
#1413 Mathematics Three Dimensional Geometry
SA UNDERSTAND 2025 AISSCE(Board Exam)
Competency 3 Marks
Find the distance of the point $(-1, -5, -10)$ from the point of intersection of the lines $\frac{x-1}{2}=\frac{y-2}{3}=\frac{z-3}{4}$ and $\frac{x-4}{5}=\frac{y-1}{2}=z$.
#1405 Mathematics Applications of Derivatives
VSA UNDERSTAND 2025 AISSCE(Board Exam)
Competency 2 Marks
For the curve $y=5x-2x^{3}$ if x increases at the rate of $2\text{ units/s}$, then how fast is the slope of the curve changing when $x=2$?
#1398 Mathematics Matrices and Determinants
LA UNDERSTAND 2025 AISSCE(Board Exam)
Competency 5 Marks
If $A=\begin{bmatrix}1&2&0\\ -2&-1&-2\\ 0&-1&1\end{bmatrix}$, then find $A^{-1}$. Hence, solve the system of linear equations: $x-2y=10$, $2x-y-z=8$, $-2y+z=7$.
#1397 Mathematics Matrices and Determinants
LA REMEMBER 2025 AISSCE(Board Exam)
Competency 5 Marks
Given $A=\begin{bmatrix}-4&4&4\\ -7&1&3\\ 5&-3&-1\end{bmatrix}$ and $B=\begin{bmatrix}1&-1&1\\ 1&-2&-2\\ 2&1&3\end{bmatrix}$, find AB. Hence, solve the system of linear equations: $x-y+z=4$, $x-2y-2z=9$, $2x+y+3z=1$.
#1396 Mathematics Three Dimensional Geometry
LA REMEMBER 2025 AISSCE(Board Exam)
Competency 5 Marks
Find the image A' of the point A(2, 1, 2) in the line $l:\vec{r}=4\hat{i}+2\hat{j}+2\hat{k}+\lambda(\hat{i}-\hat{j}-\hat{k})$. Also, find the equation of line joining AA'. Find the foot of perpendicular from point A on the line l.
#1387 Mathematics Linear Programming
SA UNDERSTAND 2025 AISSCE(Board Exam)
Competency 3 Marks
Solve the following linear programming problem graphically: Minimise $Z=x-5y$ subject to the constraints: $x-y\ge0$, $-x+2y\ge2$, $x\ge3$, $y\le4$, $y\ge0$.
#1376 Mathematics Matrices and Determinants
LA REMEMBER 2025 AISSCE(Board Exam)
Competency 5 Marks
A school wants to allocate students into three clubs Sports, Music and Drama, under following conditions: The number of students in Sports club should be equal to the sum of the number of students in Music and Drama club. The number of students in Music club should be 20 more than half the number of students in Sports club. The total number of students to be allocated in all three clubs are 180. Find the number of students allocated to different clubs, using matrix method.
#1375 Mathematics Three Dimensional Geometry
LA UNDERSTAND 2025 AISSCE(Board Exam)
Competency 5 Marks
Find a point P on the line $\frac{x+5}{1}=\frac{y+3}{4}=\frac{z-6}{-9}$ such that its distance from point $Q(2,4,-1)$ is 7 units. Also, find the equation of line joining P and Q.
#1374 Mathematics Three Dimensional Geometry
LA UNDERSTAND 2025 AISSCE(Board Exam)
Competency 5 Marks
Find the image A' of the point $A(1,6,3)$ in the line $\frac{x}{1}=\frac{y-1}{2}=\frac{z-2}{3}$. Also, find the equation of the line joining A and A'.
#1370 Mathematics Applications of Integrals
SA UNDERSTAND 2025 AISSCE(Board Exam)
Competency 3 Marks
Sketch the graph of $y=|x+3|$ and find the area of the region enclosed by the curve, x-axis, between $x=-6$ and $x=0$, using integration.
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