7 ms·
Isn't this the same as the pq-formula? https://www.matteboken.se/lektioner/matte-2/andragradsekvationer/pq-formeln https://www.matteboken.se/lektioner/matte-2/a
by verandacoffee 7y ago
Isn't this the same as the pq-formula? https://www.matteboken.se/lektioner/matte-2/andragradsekvationer/pq-formeln https://www.matteboken.se/lektioner/matte-2/andragradsekvati... (Link in Swedish).
- jsjolen 7y agoYes, and apparently it's also used in Indian schools (see comments found here: https://www.facebook.com/poshenloh https://www.facebook.com/poshenloh ).