If a+b=10 ,ab=9 then (a, b) …
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Posted by Deekshith Reddy 7 years, 8 months ago
- 2 answers
Prateek Chawla 7 years, 8 months ago
A=10-b
(10-b)b=9
b²-10b+9=0
b²-9b-b+9=0
b(b-9)-1(b-9)=0
(B-1)(b-9)=0
B=1,9
If b = 1 , then
A=9
And if b= 9 , then
A=1
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Deekshith Reddy 7 years, 8 months ago
0Thank You