the sum of two numbers is 15 if their reciprocals is 3/10 find the two number using quadratic formula plz fast friends
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the sum of two numbers is 15 if their reciprocals is 3/10 find the two number using quadratic formula plz fast friends
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and second number be y
so given x + y = 15
and
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⇒ {x + y = 15}
⇒
⇒
⇒ { x + y = 15 ⇒ y = 15 - x }
⇒
⇒
⇒
⇒
⇒
so x = 5 or 10
so when x = 10 then y = 15 - 10 = 5 so x = 10 , y = 5
and when x = 5 then y = 15 - 5 = 10 so x = 5 , y = 10