If (x + y)2 \(\frac{d y}{d x}\) = a2, y = 0 when x = 0, then y = a if \(\frac{x}{a}\) =
A. 1
B. tan 1
C. tan 1 + 1
D. tan 1 – 1
Answer:D
If (x + y)2 \(\frac{d y}{d x}\) = a2, y = 0 when x = 0, then y = a if \(\frac{x}{a}\) =
A. 1 B. tan 1 C. tan 1 + 1 D. tan 1 – 1