+0  
 
0
1303
1
avatar

solve for a if 1/a + 1/b = 1/c

 Nov 18, 2017
 #1
avatar+128079 
+1

1/a + 1/b = 1/c

 

Subtract  1/b from both sides

 

1 /a  =  1/c  - 1 / b              get a common denominator on the right

 

1 / a  =    [ b  - c ] / bc         and we can write

 

a / 1  =  bc / [ b - c ]

 

a  =   bc / [ b - c ] 

 

 

 

cool cool cool

 Nov 18, 2017

2 Online Users

avatar
avatar