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Comparing the Ratios of Coefficients of a Linear Equation

The value of ...

Question

The value of k for which the system of equations x + 2y − 3 = 0 and 5x + ky + 7 = 0 has no solution, is

(a) 10
(b) 6
(c) 3
(d) 1

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Solution

The given system of equations are

For the equations to have no solutions,

If we take

Therefore the value of k is10.

Hence, correct choice is.

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Comparing the Ratios of Coefficients of a Linear Equation

Standard X Mathematics

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