Divide the numbers

Find the quotient and the remainder

Which of the following is irrational 
$i\right)$ $1.2\bar{3} $ $i1\right)$ $1.41424344$ $.4$ ( 
$...$ $iii\right)$ $\sqrt{2} $ $iV\right)$ $\pi $ 
$1\right)$ i and iv $2\right)$ ii and iii only 
$3\right)$ ii, iii and iv $4\right)$ i only 

$3$ $1$ point 
The equation $2x^{2}-x+5.25$ has two solutions. Wh 
$0$ $\dfrac {1+i\sqrt{41} } {2}$ 
$O$ $\bar{3} $ $\dfrac {1+iyk} {4}-$ 
$O$ 
$\dfrac {1+i\sqrt{41} } {4}$ 
O 
$\dfrac {1+i\sqrt{39} } {2}$ 
$○$ $1$ $i$ $-$ 

$x$ 
3. $3$ Prove that the product of three consecutive positive integer is div 
$0$ $4$ For any positive integer $n$ prove that $n^{3}-n$ divisible by $6$ 
$9$ $5$ Prove that if a positive integer is of the form $6q+5$ then it is of the 

By ashat skoeld numbershould3\ $\left(\dfrac {3} {5}\right)b$ 
divided bo $9^{0t}\left(\dfrac {5} {3}\right)^{2}$ $-$ $n|m$ 

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