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3. Squares and Square Roots
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Q9 of 119 Page 58

Which of the following is a Pythagorean triplet?

We know that,

According to the Pythagorean triplet,


For a natural number m,


(2m, m2 – 1, m2 + 1) is a Pythagorean triplet.


Hence,


Considering the Pythagorean triplet,


Let m = 4


2m = 8


m2 – 1 = 15


m2+ 1 = 17


Thus,


(8, 15, 17) is the Pythagorean triplet.


Hence,


Option (D) is the correct option.

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Questions · 119
3. Squares and Square Roots
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