Math, asked by khan3288, 11 months ago

Find A Double Digit Number Whose Sum Is 4 And When The Digits Are Doubled Their Product Is 16.

Answers

Answered by janvitha
0

Answer:

22

Step-by-step explanation:

let the number be ab

a+b=4

2a*2b=16

4ab=16

ab=4

b=4/a

a+4/a=4

a²-4a+4=0

a=2 and 2

b=4/2=2

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