(1+1/2)x(1+1/3)x(1+1/4)x(1+1/5)

2 min read Jun 16, 2024
(1+1/2)x(1+1/3)x(1+1/4)x(1+1/5)

Exploring the Pattern: (1+1/2)x(1+1/3)x(1+1/4)x(1+1/5)

This expression might seem simple at first glance, but it holds a fascinating pattern that leads to a surprising result. Let's delve into its breakdown and discover its hidden beauty.

Simplifying the Expression

First, we simplify each term in the expression:

  • (1 + 1/2) = 3/2
  • (1 + 1/3) = 4/3
  • (1 + 1/4) = 5/4
  • (1 + 1/5) = 6/5

Now, our expression becomes: (3/2) x (4/3) x (5/4) x (6/5)

Recognizing the Cancellation

Notice a beautiful pattern emerging! The numerator of each term cancels out with the denominator of the next term. This is known as telescoping.

  • 3 in the numerator of the first term cancels with 3 in the denominator of the second term.
  • 4 in the numerator of the second term cancels with 4 in the denominator of the third term.
  • This pattern continues until we reach the final term.

The Final Result

After all the cancellations, we are left with:

(3/2) x (6/5) = 9/5

Therefore, the expression (1 + 1/2) x (1 + 1/3) x (1 + 1/4) x (1 + 1/5) simplifies to 9/5.

Conclusion

This seemingly straightforward expression reveals a remarkable pattern of cancellation. The concept of telescoping, where intermediate terms vanish, provides an elegant solution and emphasizes the power of recognizing hidden patterns in mathematics.

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