Tick (✓) the correct answer

Question:

Tick (✓) the correct answer

Which of the following is a pythagorean triplet?

(a) (2, 3, 5)

(b) (5, 7, 9)

(c) (6, 9, 11)

(d) (8, 15, 17)

Solution:

(d) (8,15,17)

This can be understood from the property of Pythagorean triplets. According to this property, for a natural number $m,\left(2 m, m^{2}-1, m^{2}+1\right)$ is a Pythagorean triplet.

Here,  m = 4
          2m = 8
          m2 - 1=15
and    m2 + 1 = 17

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