एक वर्ग आव्यूह (square matrix) जिसका परिवर्त (transpose) उसके व्युत्क्रम आव्यूह (inverse matrix) के बराबर होता है, कहलाता है:

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?