Since 4i is a root, that automatically means -4i is also a root (complex roots always travel in pairs)
So the factored form would look like
<span>(x+4i)(x−4i).</span>
When multiplied out this gives the polynomial
<span><span>x2</span>+<span>16.</span></span>
I believe its B
i hope this helps :)
FORMULA:
TSA of cubes = 6(a)²
ANSWER:
We just have to plug the respective value.
So, TSA of 8 cubes = 6 × (12)²
So, <u>Correct choice</u> - [C] 864 ft².
90.555555555555 repeating
