There are two natural numbers 'a' and 'b' such that their difference is 4, and the difference between their squares is 360. What is the value of their addition? (Given a > b.)
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Step-by-step explanation:
a-b=4
(a^2)-(b^2)=360
(a-b)*(a+b)= 360
a+b=90
on solving a= 47
b=43
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