-Law of the hypotenuse was NOT stated by Pythagoras.
-Bījagaṇita was NOT invented by al-Khwārizmī. He was a mere commentator.
-It was the Vedic mathematician Baudhayana(~1700 BCE) who discovered both.
-Baudhayana also stumbled upon Proto-Bījagaṇita . He investigated the basic forms (ax^2=c) and (ax^2+bx=c)
-The math & metrology of Vedic texts are found applied ONLY IN Mature Harappan cities(2600–1900 BCE)
-The antiquity of this Indian knowledge is indisputable