If $72^x \cdot 48^y=6^{x y}$, where $x$ and $y$ are non-zero rational numbers, then $x+y$ equals

  • [KVPY 2017]
  • A

    $3$

  • B

    $\frac{10}{3}$

  • C

    $-3$

  • D

    $-\frac{10}{3}$

Similar Questions

If two roots of the equation ${x^3} - 3x + 2 = 0$ are same, then the roots will be

The roots of $|x - 2{|^2} + |x - 2| - 6 = 0$are

Let $t$ be real number such that $t^2=a t+b$ for some positive integers $a$ and $b$. Then, for any choice of positive integers $a$ and $b, t^3$ is never equal to

  • [KVPY 2016]

Let $\alpha$ and $\beta$ be the roots of $x^2-6 x-2=0$, with $\alpha>\beta$. If $a_n=\alpha^n-\beta^n$ for $n \geq 1$, then the value of $\frac{a_{10}-2 a_8}{2 a_9}$ is

  • [IIT 2011]

Consider the following two statements

$I$. Any pair of consistent liner equations in two variables must have a unique solution.

$II$. There do not exist two consecutive integers, the sum of whose squares is $365$.Then,

  • [KVPY 2018]