History of Hindu Mathematics: A Source Book v2.c17.s19.17
History of Hindu Mathematics: A Source Book v2.c17.s19.17
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v2.c17.s19.17
CD=(m²-n²)+(p²-q²), AB=(m²-n²)-(p²-q²), AC=BD=p²+q², DH=m²-n², AD=BC=m²+n², AH=2mn=2pq, area ABCD=2mn(m²-n²).