Math, asked by suleman9090, 2 months ago

If a+b=7 and ab=11 than find the value of a-b

Answers

Answered by maityh73
1

Answer: (a - b) =√5 or -√5

Step-by-step explanation:

a+b=7 & ab=11

Now (a+b)^2=49

or, (a-b)^2 +4ab=49

or, (a-b)^2 = 49 - 11×4 = 5

or, (a - b) =√5 or -√5

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