Rs Aggarwal Exercise 3E Q16 to Q20 | Class 10 Linear Equations in two Variables CBSE | New Syllabus

Book - RS Aggarwal
Book - NCERT
Class - 10
Chapter -inear Equations in two Variables
Exercise 3E
Q16 to Q20
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Chapter -inear Equations in two Variables
Exercise 3B
Q11 to Q20
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Chapter -inear Equations in two Variables
Exercise 3B
Q21 to Q30
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ex 3e q11 ex 3e class10 rs aggrwal rs aggarwal class 10 chapter 10 ex 3e rs aggrwal ex 3b q10
An equation is said to be linear equation in two variables if it is written in the form of ax + by + c=0, where a, b & c are real numbers and the coefficients of x and y, i.e a and b respectively, are not equal to zero.
For example, 10x+4y = 3 and -x+5y = 2 are linear equations in two variables.
The solution for such an equation is a pair of values, one for x and one for y which further makes the two sides of an equation equal.
The solution of linear equations in two variables, ax+by = c, is a particular point in the graph, such that when x-coordinate is multiplied by a and y-coordinate is multiplied by b, then the sum of these two values will be equal to c.
Basically, for linear equation in two variables, there are infinitely many solutions.
Example
In order to find the solution of Linear equation in 2 variables, two equations should be known to us.
Consider for Example:
5x + 3y = 30
The above equation has two variables namely x and y.
Graphically this equation can be represented by substituting the variables to zero.

Rajmith study

[archanarathore]

Kaun kehta hai ki RS Agarwal maths is tough why fear when Abhishek Kushwaha sir is here 😍

[SharmaVsakash]

Bhaiya qno. 16 me apne formula ye batatya# (y+x)² = (y-x)² +4xy

And qqni. 17 me (x-y)² = (x-y)² +4xy ??

[swati.]

Fantastic Explanation 😊😊
After watching this video I understand all the questions of this chapter. You are Great sir

[RASHMI_YADAV]

7:12, the root 144 gives +12 and -12. So the answer is 57 and -75, x= (-7) and y = (-5) then the number is 10 (-7)+(-5) = -75.

This is true because,
(-7)×(-5) = 35 and -75 +18 = -57
And,
-57 = 10×(-5)+(-7) that is 10y+X.

[Shuklapandit]

Sir question no 20 me aap mistake kiye hai😢😢n

[Ayush]

Q no 16 ka formula thora smjh nhi aya😅

[JustinLal-rmhp]

Sir aap solve aache z
Se Karte ho per mistake is to much
Please solve my problem