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  • The positive solutions of the equation ax + by + c = 0 always lie in the (A) 1st quadrant

The positive solutions of the equation ax + by + c = 0 always lie in the

(A) 1st quadrant

(B) 2nd quadrant

(C) 3rd quadrant

(D) 4th quadrant

Answers (1)

Answer:

(A) 1st quadrant

Solution:

In 1st quadrant the value of x and y are positive

In 2nd quadrant the value of x is negative and y is positive  

In 3rd quadrant the value of x is negative and y is also negative

In 4th quadrant the value of x is positive and y is negative.

Hence for the positive solution of the given equation, both the values of x and y must be positive. Therefore option (A) is correct.

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infoexpert21

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