MCQ
If the equation $4 x^2+h x y+y^2=0$ represents two coincident lines, then $h=$__________
  • A
    ± 2
  • B
    ± 3
  • ± 4
  • D
    ± 5

Answer

Correct option: C.
± 4
± 4

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free