y2y+x
−y2y+x
−y2y−x
y2y+x
Correct answer is B
y2+xy=5
By implicit differentiation
=2ydydx+y+xdydx=0
=2ydydx+xdydx=−y
Factor out dydx
=dydx(2y+x)=−y
∴\frac{dy}{dx}=\frac{-y}{2y + x}
If f(x) = 2x^{2} - 3x - 1, find the value of x for which f(x) is minimum....
A linear transformation T is defined by T: (x,y) → (3x - y, x + 4y). Find the image of (2, -1) ...
The variables x and y are such that y =2x^3 - 2x^2 - 5x + 5. Calculate the corresponding cha...
Evaluate: ^{lim}_{x \to 1} \begin{pmatrix} \frac{1 - x}{x^2 - 3x + 2} \end {pmatrix}...
Differentiate x^{2} + xy - 5 = 0...
Find the coefficient of x^{4} in the expansion of (1-2x)^{6}...
For what values of m is 9y^{2} + my + 4 a perfect square?...
Which of the following is the semi-interquartile range of a distribution? ...
Express \frac{x^{2} + x + 4}{(1 - x)(x^{2} + 1)} in partial fractions....