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GBlog
Three 90 Challenge: Bigger and Better
As we transit into the new phase, it's essential to fuel our inner drive for success. On popular demand, GeeksforGeeks is happy to announce that we are back with the Thre...
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Class 10 RD Sharma Solutions - Chapter 3 Pair of Linear Equations in Two Variables - Exercise 3.2 | Set 2
Question 14. Solve the following of equation graphicallyX - 2y + 11 = 03x + 6y + 33 = 0Solution:Given that, x - 2y + 11 = 0 and 3x + 6y + 33 = 0Now, x - 2y + 11 = 0x = 2y ...
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Mathematics
School Learning
Class 10
RD Sharma Solutions
RD Sharma Class-10
Class 10 RD Sharma Solutions - Chapter 14 Coordinate Geometry - Exercise 14.3 | Set 1
Question 1. Find the coordinates of the point which divides the line segment joining (-1, 3) and (4, – 7) internally in the ratio 3: 4.Solution:Assume P(x, y) be the neede...
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Mathematics
School Learning
Class 10
RD Sharma Solutions
RD Sharma Class-10
Class 10 RD Sharma Solutions - Chapter 3 Pair of Linear Equations in Two Variables - Exercise 3.2 | Set 1
Question 1. Solve the following of equation graphicallyx + y = 32x + 5y = 12Solution:Given that, 2x + 5y = 12 and x + y = 3We have,x + y = 3,When y = 0, we get x = 3When x...
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Mathematics
School Learning
Class 10
RD Sharma Solutions
RD Sharma Class-10
Class 11 RD Sharma Solutions - Chapter 10 Sine and Cosine Formulae and Their Applications - Exercise 10.1 | Set 1
Question 1: If in △ABC, ∠A=45°, ∠B=60°, and ∠C=75°, find the ratio of its sides.Solution:According to the sine rule[Tex]\frac{a}{sin \hspace{0.1cm}A} = \frac{b}{sin \hspac...
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Mathematics
School Learning
Class 11
RD Sharma Solutions
RD Sharma Class-11
Class 10 RD Sharma Solutions - Chapter 11 Constructions - Exercise 11.1
Question 1. Determine a point that divides a line segment of length 12 cm internally in the ratio 2 : 3. Also, justify your construction.Solution:Steps of construction:Ste...
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Mathematics
School Learning
Class 10
RD Sharma Solutions
RD Sharma Class-10
Class 12 RD Sharma Solutions - Chapter 19 Indefinite Integrals - Exercise 19.25 | Set 2
Evaluate the following integrals:Question 21. ∫(logx)2 x dxSolution:Given that, I = ∫(logx)2 x dxUsing integration by parts, ∫u v dx = v∫ u dx - ∫{d/dx(v) × ∫u dx}dx +...
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Misc
Mathematics
School Learning
Class 12
RD Sharma Solutions
RD Sharma Class-12
Class 12 RD Sharma Solutions - Chapter 19 Indefinite Integrals - Exercise 19.25 | Set 1
Evaluate the following integrals:Question 1. ∫x cosxdxSolution:Given that, I = ∫x cosxdxUsing integration by parts, ∫u v dx = v∫ u dx - ∫{d/dx(v) × ∫u dx}dx + cWe getI...
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Mathematics
School Learning
Class 12
RD Sharma Solutions
RD Sharma Class-12
Class 9 RD Sharma Solutions - Chapter 3 Rationalisation- Exercise 3.2 | Set 1
Question 1. Rationalise the denominator of each of the following (i-vii):(i)[Tex]\frac{3}{\sqrt5}[/Tex](ii)[Tex]\frac{3}{2\sqrt5}[/Tex](iii)[Tex]\frac{1}{\sqrt{12}}[/Tex](...
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Mathematics
School Learning
Class 9
RD Sharma Solutions
RD Sharma Class-9
Class 10 RD Sharma Solutions - Chapter 14 Coordinate Geometry - Exercise 14.5 | Set 3
Question 23. Prove that the points (a, 0), (0, b) and (1, 1) are collinear if, 1/a + 1/b = 1.Solution:Let us assume that the points are A (a, 0), B (0, b) and C (1, 1) for...
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Mathematics
School Learning
Class 10
RD Sharma Solutions
RD Sharma Class-10
Class 12 RD Sharma Solutions - Chapter 27 Direction Cosines and Direction Ratios - Exercise 27.1
Question 1. If a line makes angles of 90°, 60°, and 30° with the positive direction of x, y, and z-axis respectively. Find its direction cosines.Solution:Let us considered...
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Mathematics
School Learning
Class 12
RD Sharma Solutions
RD Sharma Class-12
Class 12 RD Sharma Solutions - Chapter 29 The Plane - Exercise 29.4
Question 1. Find the vector equation of a plane which is at a distance of 3 units from the origin and has[Tex]\hat{k}[/Tex]as the unit vector normal to it.Solution:We know...
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Mathematics
School Learning
Class 12
RD Sharma Solutions
RD Sharma Class-12
LifecycleObserever with Activities in Android
LifecycleObserever is Observer is one of the Jetpack Architecture components and is an interface that observes and performs the specified task depending upon the Lifecycle...
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Kotlin
Kotlin Android
Android
Android-Jetpack
Class 10 RD Sharma Solutions - Chapter 14 Coordinate Geometry - Exercise 14.5 | Set 2
Question 12. Prove that the points (a, b), (a1, b1) and (a – a1, b – b1) are collinear if ab1 = a1b.Solution:As we know that 3 points are collinear is the area of the tria...
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Mathematics
School Learning
Class 10
RD Sharma Solutions
RD Sharma Class-10
How to Create Your Own Custom View in Android with Kotlin?
In this article, we're going to talk about how we can create our own custom view in Android step by step. We all know that in the beginning android platform provides us so...
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TechTips
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Kotlin
Kotlin Android
Android
Android-View
How to Add External Library in Android Studio?
Android Studio is the official IDE (Integrated Development Environment) for Android app development and it is based on JetBrains’ IntelliJ IDEA software. Android Studio pr...
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Android
Android-Studio
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