Question

The sum of two number is 10. Their product is twenty .find the sum if reciprocals of the two number

Answer 1

Let us assume the 2 numbers are c and d.
According to the question
c+d=10
and
cd=20

Now sum of the reciprocals of their numbers is
1/c + 1/d = (c+d)/cd=10/20=1/2

So the answer is 1/2.

HOPE IT HELPS.....

Answer 2

Answer:

Step-by-sLet us assume the 2 numbers are c and d.

According to the question

c+d=10

and

cd=20

Now sum of the reciprocals of their numbers is

1/c + 1/d = (c+d)/cd=10/20=1/2

So the answer is 1/2.

tep explanation: