alleryStart learning →If m1 and m2 are slopes of the lines of ax² + 2hxy + by² = 0, then m1m2 equals
A2h/b
B-2h/b
Ca/b
Db/a
Answer & Solution
Correct answer: C. a/b
The auxiliary equation bm² + 2hm + a = 0 has product of roots a/b.
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