The three lines 3x + 4y + 6 = 0,√2x + √3y + 2 √2 = 0 and 4x + 7y

1.	The three lines 3x + 4y + 6 = 0,√2x + √3y + 2 √2 = 0 and 4x + 7y + 8 = 0 are(1) the sides of a triangle(2) parallel(3) concurrent(4) none of these
Answer» Correct option (3) concurrent Explanation: Solving 3x + 4y + 6 = 0 and 4x + 7y + 8 = 0, ⇒ x = − 2, y = 0. These values satisfy the other equation. ∴ the lines are concurrent.

The three lines 3x + 4y + 6 = 0,√2x + √3y + 2 √2 = 0 and 4x + 7y + 8 = 0 are(1) the sides of a triangle(2) parallel(3) concurrent(4) none of these

Answer»

Correct option (3) concurrent

Explanation:

Solving 3x + 4y + 6 = 0 and 4x + 7y + 8 = 0,

⇒ x = − 2, y = 0. These values satisfy the other equation.

∴ the lines are concurrent.

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The three lines 3x + 4y + 6 = 0,√2x + √3y + 2 √2 = 0 and 4x + 7y + 8 = 0 are(1) the sides of a triangle(2) parallel(3) concurrent(4) none of these

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