Question

the sum of the reciprocal of Sir Issac Newton age's (in years), 3 years ago and 5 years from now is 1/3.Find his present age.​

Answer 1

Answer:

7 years old.

Step-by-step explanation:

Let x be the present age.

Then,

1/(x-3) + 1/(x+5) = 1/3

Solving the equation we get x = 7(ignore -3 as age cannot be negative)