Product of a and b is 1050 and their sum is 65.What is the difference in their ages
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Step-by-step explanation:
a*b =1050. (1)
a+b =65. (2)
substitute value of b from 2) into 1) we get
a*(65-a) = 1050
65a-a^2 = 1050
a^2 -65a +1050 = 0
solving above equation we get
a = 35, a= 30
when a = 35, b = 30 & diff is 5 years
& when a=30, b = 35. diff is still 5 years
in both condition
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