Evaluate the expression 9 - z9−z9, minus, z when z = 4z=4z, equals, 4
1 answer:
You might be interested in
<h3>Question 1 :</h3>
<h2>1)</h2>
This must be true for some value of x, since we have a quantity squared yielding a positive number, and since the equation is of second degree,there must exist 2 real roots.
Well he started off correct to the point of completing the square.