Ask Question
15 October, 17:45

The square of the sum of two consecutive natural numbers is greater than the sum of the squares of these two numbers by 112. find the two numbers.

+3
Answers (1)
  1. 15 October, 18:12
    0
    We solve the equation, (a + a + 1) ^2 = 112 + a^2 + (a + 1) ^2;

    Then, (2a + 1) ^2 = 112 + a^2 + a^2 + 2a + 1;

    4a^2 + 4a + 1 = 113 + 2a^2 + 2a;

    Finally, 2a^2 + 2a - 112 = 0;

    a^2 + a - 56 = 0;

    We use Quadratic Formula for this Quadratic Equation;

    The solutions are a1 = 7 and a2 = - 8;

    But a is a natural number; so, a = 7;

    The natural consecutive numbers are 7 and 8.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “The square of the sum of two consecutive natural numbers is greater than the sum of the squares of these two numbers by 112. find the two ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers