Question

If 154 69 is expressed as 1 a 1 b 1 c d + + + then the value of (c + d) – (a + b) = ?, where a, b, c, d are integers.​

Answer 1

Answer: Given:  can be expressed as  

To find: the value of  

Solution:

The fraction is  

Now,  

which is equal to  

In numerator, we have , which can be expressed as  

This gives:  

The value of  must be  also, in order to get the denominator .

We have found: .

Now,  

, since  

Answer: .