+0

# b= root4ac express a interms of b and c

0
210
1

b= root4ac express a interms of b and c

Guest Oct 24, 2017
#1
+349
+1

We have $$b=\sqrt{4ac}$$

Square both sides, $$b^2=4ac$$

Divide both sides by $$4c$$ to get $$a={b^2\over4c}$$

Mathhemathh  Oct 24, 2017