User:Rashmi SRJ

If y sec x + tan x + x²y = 0, then dy/dx is equal to

Explanation

y sec x + tan x + x²y = 0 ⇒ sec x dy/dx + y sec x tan x + sec²x + 2xy + x²dy/dx = 0 ⇒dy/dx = -2xy + sec²x + y sec x tan x/x² + sec x