एक वर्ग आव्यूह (Square matrix) जिसमें मुख्य विकर्ण (Leading diagonal) के ऊपर के सभी अवयव शून्य होते हैं, उसे क्या कहा जाता है?

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Which of the following events is considered the first major peasant uprising against the British in India?