Saved Bookmarks
| 1. |
If x/2a+x/2b=2 find the value of x |
|
Answer» Answer: x+2a)/(x-2a) + (x+2b)/(x-2b)=2 STEP-by-step explanation Given x=4ab/a+b We need to find for x+2a/x-2a + x+2b/x-2b Follow the below steps to find the solution. Step 1: x=4ab / a+ b Simplify as =>x=2a x 2b / a + b =>x/2a=2b / a + b By componendo dividend, (x+2a)/(x-2a)=(2b+a+b)/(2b-a-b) Simplify RHS. (x+2a)/(x-2a)=(a+3b)/(b-a) Step 2: Similarly (x+2b)/(x-2b)=(3a+b)/(a- b) Now we know: (x+2a) / (x-2a) + (x+2b)/(x-2b) =(a+3b)/(b-a) + (3a+b)/(a- b) =(a+3b)/(b-a) - (3a+b)/(a- b) =a+3b-3a-b/b-a =2b-2a/b-a =2(b-a)/b-a =2 Finally we GET, (x+2a)/(x-2a) + (x+2b)/(x-2b)=2 Step-by-step explanation: |
|