Show that 8260439 is exactly divisible by 11, using test of divisibility.
what is an even whole number that is also a squared number
-1125-[1008]-2304
a+b²
((2*10^9)(2*10^9+1))/2
12. Solve the following pair of linear equation
217𝑥 + 131𝑦 = 913; 131𝑥 + 217𝑦 = 827
4∗57/196\sqrt{4*57/196}4∗57/196
13. Solve for x and y:
6(𝑎𝑥 + 𝑏𝑦) = 3𝑎 + 2...
((2*10^9)+1)/2
n^2+n-4*10^18=0
