What is the inverse of a skew symmetric matrix of even order? But from (1) we see that (-A)(-B)=(-B)(-A) = I, showing that -B is the inverse matrix of -A. From (1) and (2), by uniqueness of inverse of -A, we see that B’ = -B. Hence we see that the inverse matrix of a…
Category: Helpful tips
Where is the highest pressure in turbine engine?
Where is the highest pressure in turbine engine? Highest pressure is achieved at the exit of the diffuser vanes/ entrance to the combustion space Highest velocity is achieved in either the NGV’s exits or at the exhaust nozzle exit. Pressure should be highest at the combustion chamber inlet (just after the last compressor stage) to…
What role did slavery play in the secession of the southern states?
What role did slavery play in the secession of the southern states? The primary catalyst for secession was slavery, especially Southern political leaders’ resistance to attempts by Northern antislavery political forces to block the expansion of slavery into the western territories. Slave life went through great changes, as the South saw Union Armies take control…
What would you do if you caught a student cheating?
What would you do if you caught a student cheating? Managing Cheating Speak privately with the student. Provide consequences. Figure out why the student is cheating and provide appropriate help. Consider informing the student’s parents. Keep a close watch on a student with a history of cheating. Should I report my classmate for cheating? If…
What is the difference between Blu-Ray and normal DVDs?
What is the difference between Blu-Ray and normal DVDs? DVD. The key difference between DVD and Blu-ray/HD-DVD is that DVD is a standard definition 480i resolution format, while Blu-ray/HD-DVD disc video can be up to 1080p HDTV quality. Blu-ray and HD-DVD achieved the same results but were incompatible formats (remember VHS vs. BETA?). Why are…
How long does it take for star light to reach our eyes?
How long does it take for star light to reach our eyes? It’s light takes six years to get here, so that light is six years old when we see it. The star Polaris, which we refer to as the North Star or North Pole Star, is 680 lightyears away. The light takes 680 years…
What is highest audio quality on YouTube?
What is highest audio quality on YouTube? You can choose between a few different sound quality settings: Low: 48kbps AAC (uses the least data) Normal: 128kbps AAC (default settings) High: 256kbps AAC (highest quality setting) Does YouTube have high quality audio? Performance. YouTube Music has certainly upped its game for audio quality since we last…
Will my financial aid be affected if I fail a class?
Will my financial aid be affected if I fail a class? Failing a class or classes will impact your SAP status. As long as you meet SAP, you will remain eligible for financial aid. If you do not pass a course, you can receive financial aid to repeat it – once you pass with a…
Is it unprofessional to email your resignation?
Is it unprofessional to email your resignation? It’s almost always better to resign in person, and then follow up with a formal resignation letter for your employment file. For example, perhaps you have to alert your employer to your resignation quickly, and email is the best method. Or perhaps your company policy states that you…
How long do cybercrime investigations take in India?
How long do cybercrime investigations take in India? “Plus, the judicial system of the country is notoriously slow – and in cases of cyber crimes, where evidence is extremely volatile and time-bound, a waiting period of six months means evidence is destroyed and unusable,” said Tandon. Can Indian police track VPN? Police can’t track live,…