1942 June 17 Convoy PQ-17 leaves Iceland for Murmansk – massive casualties from German onslaught during the trip. July 5 10 out of 27 ships reach Murmansk.
... non-zero. These solutions are also called the roots of the equation. The formula reads
<math>
x=\frac{-b \pm \sqrt {b^2-4ac}}{2a}
</math>
The term ...