If $y = {1 \over {a - z}},$then ${{dz} \over {dy}} = $

  • A
    ${(z - a)^2}$
  • B
    $ - {(z - a)^2}$
  • C
    ${(z + a)^2}$
  • D
    $ - {(z + a)^2}$

Similar Questions

The greatest value of the function $-5 \sin \theta+12 \cos \theta$ is

A cuboidal block has dimension $(1.5 × 1.5 × 1.0)\  \ cm$ what is the surface area of cuboid (in $cm^2$)

The slope of graph as shown in figure at points $1,2$ and $3$ is $m_1, m_2$ and $m_3$ respectively then

The equation of a curve is given as $y=x^2+2-3 x$. The curve intersects the $x$-axis at

In the given figure, each box represents a function machine. A function machine illustrates what it does with the input.Which of the following statements is correct?