Question

the sum of two numbers is 8 and the sum of their reciprocal is 8/15.find the numbes

Answer 1

Let the no. Be x and y

X+y = 8------(1)

1/x + 1/y =8/15-----(2)

Further soving (2)

Y+x/xy=8/15

Put x+y=8

☆8 got cancelled☆

1/8y-y^2=1/15

8y-y^2=15

Solving we get y=5

Therefore x=3

@skb