Which of the following alkenes does $NOT$ exhibit $cis-trans$ isomerism?

Phloem loading is related to:

The centroid of the triangle formed by the pair of straight lines $12x^2 - 20xy + 7y^2 = 0$ and the line $2x - 3y + 4 = 0$ is:

$\int \frac{\sin x+8 \cos x}{4 \sin x+6 \cos x} d x$ is equal to

$A$ plane $x$ passes through the point $(1, 1, 1)$. If $b, c, a$ are the direction ratios of a normal to the plane,where $a, b, c$ $(a < b < c)$ are the factors of $2001$,then the equation of the plane is