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Liquids in Liquids

Find the valu...

Question

Find the value of a for which the equation 2x + ay = 5 has (1, -1) as a solution.

A

-

3

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B

3

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C

7

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D

-

2

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Solution

The correct option is A $-$ 3

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Similar questions

Q. Find the value of

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(1, - 1)

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