Exercise 3B Q21 to Q30 RS Aggarwal Linear Equations in two Variables | Class 10 | CBSE New Syllabus
Book - RS Aggarwal
Book - NCERT
Class - 10
Chapter -inear Equations in two Variables
Exercise 3B
Q21 to Q30
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ex 3b q11 ex 3b class10 rs aggrwal rs aggarwal class 10 chapter 10 ex 3b 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.
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Ex3b class 10
class 10 rs aggarwal
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Rajmith study
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Sir Maine ninth me Bina coaching ke aap Ka hi math's padhke phone me 80/79 marks aae hai jbki Mera 8th me 40num Aya tha math s me thank you Bhai such me bas 10th me bhi ache se padhlungi to board me mere ache Mark's aegenge thank you
Plz sir 31-39 bhi solve Karo 😢😢
@Blueeyes24
Жыл бұрын
H kro jaldi 😮😢
@shrirampal2761
Ай бұрын
Ha sir jaldi
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@aakashgamer001
Ай бұрын
kaun hai mai bhi wahi ka hu yes sir aa jau
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Thanks sir 🤗
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Thanksir ❤
Wow sir thank u ...I had so many doubt before but now it's all clear 🤝
@Rajmithstudy
Ай бұрын
Glad to hear that
Nice explanation 😊
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Thank you a lot sir
@Rajmithstudy
2 ай бұрын
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Q 25 is wrong x will be 3 ( because 4 se 4 cut hoga 1 br m toh 1 plus m udhar jayega minus mai.. 1+6v=3 6v=3-1 6v=2 v=2/6 v=3..Ans
Sir in 25th question value of x=4,y=8/3 i think you have done mistake can you please check it
ThAnku master😂❤
Sir I have doubt
sir 32 se 40 ka bhi solution la dijiye please
@Rajmithstudy
Ай бұрын
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Thanks sir
@Rajmithstudy
2 ай бұрын
If you like so plz share with your friends
Bhaiya 27 no ka v equation 1 me put kijea answer alag aa rha hai
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Why you not use white broad it is better for us
Sir u aur v ke badle A aur B ka use kareye sir
31to40tak bhi hai
Nice ❤
@Rajmithstudy
Ай бұрын
If you like so plz share with your friends
Sir kar dijiye solve
Sir ye puchna tha ki agar ek equation me hm agar x ya y nikal rahe h to dusare me bhi vahi nikalenge.... 3a
@sanjayyadav1702
Жыл бұрын
😂
@kartikyadav4533
9 ай бұрын
Yes
Sir dusera method nahi hai kya
@_mr._gaurav_maker1055
Жыл бұрын
No
31to40 question 😢😢 please 😢😢😢
Sir question 25 main answer x=3 and y=4 hai
@user-nb6jr5ve6b
Ай бұрын
😅
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@AftabAlam-ps9dk
10 ай бұрын
Sir apka joy app hai😊
Sir pls 31to 40 kar digye
Ap bahut aCcha😢 padhte hai sir
Sir aap question kuch or likhte ho or answer mai kuch or
Nice explanation 😊😊😊😊
🔋
Sir aap jo likhte hai u or v canfuse Ho jate hai😅
@FalakNaaz-lb4fj
2 ай бұрын
Right bol re ho
@arpitadhar7359
4 күн бұрын
Confuse hota h bhai
Sar Humko Bihar board ka syllabus chahie
Bas tenth me Jane ke baad thoda far lgta hai
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😂