Question

If the angle between the two lines 2x2+5xy +3y2 +6x+7y+4=0 is represented by tan-1(m), then m is equal to

• A. $\frac{1}{5}$
• B. $\frac{2}{5}$
• C. $\frac{3}{5}$
• D. $\frac{1}{20}$

Answer 1

Answer: (A)

$\frac{1}{5}$

Answer 2

The correct answer is(A): $\frac{1}{5}$