Available Questions 601 found Page 12 of 31
Standalone Questions
#1267
Mathematics
Inverse Trigonometric Functions
VSA
APPLY
2024
AISSCE(Board Exam)
KNOWLEDGE
2 Marks
Find the domain of the function $f(x)=sin^{-1}(x^{2}-4).$ Also, find its range.
Key:
Sol:
Sol:
#1266
Mathematics
Inverse Trigonometric Functions
VSA
UNDERSTAND
2024
AISSCE(Board Exam)
KNOWLEDGE
2 Marks
Find the value of $tan^{-1}(-\frac{1}{\sqrt{3}})+cot^{-1}(\frac{1}{\sqrt{3}})+tan^{-1}[sin(-\frac{\pi}{2})]$
Key:
Sol:
Sol:
#1265
Mathematics
Three Dimensional Geometry
LA
REMEMBER
2024
AISSCE(Board Exam)
Competency
5 Marks
Two vertices of the parallelogram ABCD are given as $A(-1,2,1)$ and $B(1,-2,5)$. If the equation of the line passing through C and D is $\frac{x-4}{1}=\frac{y+7}{-2}=\frac{z-8}{2}$ then find the distance between sides AB and CD. Hence, find the area of parallelogram ABCD.
Key:
Sol:
Sol:
#1264
Mathematics
Three Dimensional Geometry
LA
REMEMBER
2024
AISSCE(Board Exam)
Competency
5 Marks
Find the equation of the line passing through the point of intersection of the lines $\frac{x}{1}=\frac{y-1}{2}=\frac{z-2}{3}$ and $\frac{x-1}{0}=\frac{y}{-3}=\frac{z-7}{2}$ and perpendicular to these given lines.
Key:
Sol:
Sol:
#1263
Mathematics
Applications of Integrals
LA
REMEMBER
2024
AISSCE(Board Exam)
KNOWLEDGE
5 Marks
Using integration, find the area of the region enclosed between the circle $x^{2}+y^{2}=16$ and the lines $x=-2$ and $x=2.$
Key:
Sol:
Sol:
#1262
Mathematics
Applications of Derivatives
LA
UNDERSTAND
2024
AISSCE(Board Exam)
Competency
5 Marks
The perimeter of a rectangular metallic sheet is 300 cm. It is rolled along one of its sides to form a cylinder. Find the dimensions of the rectangular sheet so that volume of cylinder so formed is maximum.
Key:
Sol:
Sol:
#1261
Mathematics
Applications of Derivatives
LA
REMEMBER
2024
AISSCE(Board Exam)
Competency
5 Marks
It is given that function $f(x)=x^{4}-62x^{2}+ax+9$ attains local maximum value at $x=1$ Find the value of 'a', hence obtain all other points where the given function f(x) attains local maximum or local minimum values.
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Sol:
Sol:
#1260
Mathematics
Relations and Functions
LA
REMEMBER
2024
AISSCE(Board Exam)
KNOWLEDGE
5 Marks
A relation R on set $A=\{-4,-3,-2,-1,0,1,2,3,4\}$ be defined as $R=\{(x,y):x+y$ is an integer divisible by 2). Show that R is an equivalence relation. Also, write the equivalence class [2].
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Sol:
Sol:
#1259
Mathematics
Probability
SA
UNDERSTAND
2024
AISSCE(Board Exam)
Competency
3 Marks
The chances of P, Q and R getting selected as CEO of a company are in the ratio 4: 1: 2 respectively. The probabilities for the company to increase its profits from the previous year under the new CEO, P, Q or R are 0-3, 0-8 and 0.5 respectively. If the company increased the profits from the previous year, find the probability that it is due to the appointment of R as CEO.
Key:
Sol:
Sol:
#1258
Mathematics
Linear Programming
SA
REMEMBER
2024
AISSCE(Board Exam)
KNOWLEDGE
3 Marks
Solve the following linear programming problem graphically: Maximise $z=4x+3y.$ subject to the constraints $x+y\le800$, $2x+y\le1000$, $x\le400$, $x,y\ge0$.
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Sol:
Sol:
#1257
Mathematics
Definite Integrals
SA
UNDERSTAND
2024
AISSCE(Board Exam)
KNOWLEDGE
3 Marks
Evaluate: $\int_{0}^{\pi/4}\frac{1}{sin~x+cos~x}dx$
Key:
Sol:
Sol:
#1256
Mathematics
Integrals
SA
UNDERSTAND
2024
AISSCE(Board Exam)
KNOWLEDGE
3 Marks
Find: $\int\frac{2+sin~2x}{1+cos~2x}e^{x}dx$
Key:
Sol:
Sol:
#1255
Mathematics
Integrals
SA
UNDERSTAND
2024
AISSCE(Board Exam)
KNOWLEDGE
3 Marks
Find: $\int\frac{x^{2}+1}{(x^{2}+2)(x^{2}+4)}dx$
Key:
Sol:
Sol:
#1254
Mathematics
Applications of Derivatives
SA
REMEMBER
2024
AISSCE(Board Exam)
KNOWLEDGE
3 Marks
Find the absolute maximum and absolute minimum values of the function f given by $f(x)=\frac{x}{2}+\frac{2}{x}$ , on the interval [1, 2].
Key:
Sol:
Sol:
#1253
Mathematics
Applications of Derivatives
SA
APPLY
2024
AISSCE(Board Exam)
KNOWLEDGE
3 Marks
Find the intervals in which the function $f(x)=\frac{log~x}{x}$ is strictly increasing or strictly decreasing.
Key:
Sol:
Sol:
#1252
Mathematics
Continuity and Differentiability
SA
REMEMBER
2024
AISSCE(Board Exam)
KNOWLEDGE
3 Marks
Find the value of a and b so that function f defined as : $$ f(x) = \begin{cases} \frac{x-2}{|x-2|} + a, & \text{if } x < 2 \\ a+b, & \text{if } x = 2 \\ \frac{x-2}{|x-2|} + b, & \text{if } x > 2 \end{cases} $$ is a continuous function.
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Sol:
Sol:
#1251
Mathematics
Derivatives
SA
UNDERSTAND
2024
AISSCE(Board Exam)
KNOWLEDGE
3 Marks
If $x~cos(p+y)+cos~p~sin(p+y)=0$ prove that $cos~p\frac{dy}{dx}=-cos^{2}(p+y),$ where p is a constant.
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Sol:
Sol:
#1250
Mathematics
Vector Algebra
VSA
REMEMBER
2024
AISSCE(Board Exam)
KNOWLEDGE
2 Marks
Let $\vec{a}$ and $\vec{b}$ be two non-zero vectors. Prove that $|\vec{a}\times\vec{b}|\le|\vec{a}||\vec{b}|$ . State the condition under which equality holds, i.e., $|\vec{a}\times\vec{b}|=|\vec{a}||\vec{b}|$
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Sol:
#1249
Mathematics
Vector Algebra
VSA
REMEMBER
2024
AISSCE(Board Exam)
KNOWLEDGE
2 Marks
Find the position vector of point C which divides the line segment joining points A and B having position vectors $\hat{i}+2\hat{j}-\hat{k}$ and $-\hat{i}+\hat{j}+\hat{k}$ respectively in the ratio $4:1$ externally. Further, find $|\vec{AB}|:|\vec{BC}|$ .
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Sol:
Sol:
#1248
Mathematics
Integrals
VSA
UNDERSTAND
2024
AISSCE(Board Exam)
KNOWLEDGE
2 Marks
Given $\frac{d}{dx}F(x)=\frac{1}{\sqrt{2x-x^{2}}}$ and $F(1)=0$, find $F(x)$.
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Sol:
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