SADI Muslihuddin Abumuhammad Abdulloh ibni Mushrifuddin (1203/8, Sheroz—1292, hamon jo), shoir, nasrnavis va mutafakkiri fors-tojik. …
Mufassal »Paraboloidho
Paraboloidho (az parabola va yun. eidos — shakl, namud), sathhoi nomahdudi tartibi duyum, ki marka nadorand. Du namudi Paraboloidho vujud dorad; Paraboloidhoi ellipsi va paraboloidi giperboli. Az 5 navi asosii satkhhoi tartibi duyum dutoash Paraboloidho meboshad. Khathoi burishi Paraboloidho bo hamvorihoi gunoguni fazo giperbola, parabola va khathoi rost meboshand. Az …
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