Show that all natural numbers more than one: m²+1, 2m, m²-1
can form Pythagorean triplets.
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10th
Maths
Triangles
Pythagoras Theorem and its Converse
Show that (m^2 - 1), (2m), ...
MATHS
Show that (m
2
−1),(2m),m
2
+1 always form a pythagoran triplet.
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ANSWER
Let a=m
2
−1
b=2m
c=m
2
+1
using pythagoras theorem, a
2
+b
2
=c
2
So, (m
2
−1)
2
+4m
2
=(m
2
+1)
2
m
4
+1−2m
2
+4m
2
=(m
2
+1)
2
m
4
+2m
2
+1=(m
2
+1)
2
(m
2
+1)
2
=(m
2
+1)
2
Since LHS=RHS , we can say that a,b,c always form pythagorean triplet.
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