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  • Given the linear equation 2x + 3y - 8 = 0, write another linear equation in two variables such that the geometrical representation of the pair so formed is: (iii) coincident lines

Q6.    Given the linear equation 2x + 3y -8 =0, write another linear equation in two variables such that the geometrical representation of the pair so formed is:

            (iii) coincident lines

Answers (1)

best_answer

Given the equation,

2x + 3y -8 =0

As we know that the condition for the coincidence  of the lines  a_1x+b_1y+c_1=0\:and\:a_2x+b_2y+c_2=0, is,

\frac{a_1}{a_2}=\frac{b_1}{b_2}=\frac{c_1}{c_2}

So any line with this condition can be  4x+6y-16=0

Here,

\frac{a_1}{a_2}=\frac{2}{4}=\frac{1}{2}

\frac{b_1}{b_2}=\frac{3}{6}=\frac{1}{2}

\frac{c_1}{c_2}=\frac{-8}{-16}=\frac{1}{2}

As

 \frac{1}{2}=\frac{1}{2}=\frac{1}{2}   the line satisfies the given condition.

Posted by

Pankaj Sanodiya

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