Any part which is center of intellectual activity will translate books from other langauges to its own. Tell me why the concept of Indian mathematics have to go through Muslims to europe,if brahmim scholors are that capable??
Why the west has to learn back the books of Greek from Muslims?Is greece near to saudi arabia than to london?
The turth is the indian number system would have seen the light of the day had it not been for muslims.They are the ones who synthethzied and revolutionized mathematics because greek mathematics (which doesnt have zero) and Indian mathematics doesnt rely on geometrical methods (mostly numerics and number theory).