Question

119x² + (m/2) xy +4y² is perfect square trinomial, then m =​

Answer 1

Answer:

=(x−5)2. Explanation: 25=52. Given that, x2−10x+25. =x2−10x+52. Identity: a2−2(ab)+b2=(a−b)2. Here, a=xandb=5. ∴ =(x−5)2.

Missing: 119x² + ‎+4y²