If a/b=25/6, then the value of (a²-b²)/(a²+b²) is :

  1. 661/589
  2. 625/36
  3. 589/651
  4. 589/661
Anurag Mishra Professor Asked on 29th December 2015 in Maths.
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1 Answer(s)

Answer is 589/661  

Explanation:-
a/b = 25/6
Then,  a = 25  & b = 6.

(a² – b² )/(a² + b² )
Put the value of  a = 25  & b = 6.

Then, (25² – 6²)/(25² + 6²)
= (625 – 36)/(625 + 36)
= 589/661

Then, the value of (a² – b² )/(a² + b² ) is 589/661.

Hence, the correct answer is option (4) 589/661.

Monis Rasool Professor Answered on 29th December 2015.
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