Question

a+b =4, a*b=4 then find a and b​

Answer 1

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• A=2
• B=2

☆ A+B=2+2

=> 4

☆ A×B=2×2

=>4

Hence,Solved..

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Answer 2

Answer:

a=2,b=2

Hope this helps :)

Step-by-step explanation:

a+b=4--------------1

ab=4-------------2

a=4-b

(4-b)b=4

-b^2 + 4b - 4=0

b^2 - 4b + 4=0

b^2 - 2b -2b + 4=0

b(b-2)-2(b-2)=0

(b-2)(b-2)=0

b=2

a=b-4=2