Anu is 4 year older than vinu .4 is added than their product is 169.find their ages
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Answer:
Step-by-step explanation:
let x y be the ages of anu and vinu resp.
x=y+4
(x+4)*(y+4)=169
therefore x(x+4)=169
x^2+4x -169=0
solve to get answer
11.15
-15.5
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