Grade 10Algebra
The product of two positive numbers is 105 and A.M is 11,then the largest number is
The product of two positive numbers is 105 and A.M is 11,then the largest number is
1 Answer
Arun
Dear Kavya
let numbers are a and b
Now ab = 105 and (a+b)/2 = 11
hence a + b = 22
Now (a – b)^2 = (a +b)^2 – 4ab = 484 – 420 = 64
hence a – b = 8
hence 2a = 30
a = 15 then b = 7
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