defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Lines Family of Lines

If the lines 3x + y + 2 = 0, 2x - y + 3 = 0 and a2x + 2ay + 6 = 0 are concurrent, find the value of a.

1
Only (1 - √7)
2
(√7 + 1), (1 - √7)
3
Only (√7 + 1)
4
(√7 + 1), (√7 - 1)
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