Math, asked by sujeetjha9430, 20 days ago

please give me the step by step explanation of above question ☝☝☝

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Answered by harshithsaivemula14

1

Answer:

12

Step-by-step explanation:

x + y = 13

xy = 25 / 4

we know that [x+y]^2 = [x-y]^2 + 4xy

13^2 = [x-y]^2 + 4*25/4

169 = [x-y]^2 + 25

x-y = root 144

x-y = 12

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