CBSE /Class 10
Maths MCQ Based On Linear equation in two variables methods to solve linear equation
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CBSE Class 10 Maths Linear equation in two variables methods to solve linear equation
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a1/a2 = b1/b2 = c1/c2
Then, the pair of equations has infinitely many solutions.
Solve by elimination method as both the equations have one variable with the same coefficient.
Elimination Method
Form the equation first for the information
Solve using an example of equation
Out the value of x in the equation
\\(\\frac{x}{{b_1}{c_2}-{c_1}{b_2}}=\\frac{y}{{c_1}{a_2}-{c_2}{a_1}}=\\frac{1}{{a_1}{b_2}-{b_1}{a_2}}\\)
Recall the method of solving two variables equations.
For cross multiplication method
\\({x\\over (b_1 c_2-b_2 c_1)}={y\\over(c_1a_2-c_2a_1)}={1\\over(a_1b_2-a_2b_1)}\\)
Check the coefficients.
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