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Logarithmic Function

Find the valu...

Question

Find the value of ' $a$ ' if $(- 1, 1)$ is a solution of the equation $3 x - a y = 5$

- 2

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- 8

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Solution

The correct option is D $- 8$
If $(- 1, 1)$ is a solution then it must satisfy the Equation
$\Rightarrow 3 (- 1) - a (1) - 5 = 0 \Rightarrow a = - 8$

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