VI. Find the 14th and 15th triangular numbers and find their sum. verify the statement 8 for this sum.
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Step-by-step explanation:
efhufiwd0vfosdivfjedkfcoxi
sddkfdkw
d
e
dr
f
f
hdiwdifxiwdic
ffiasifs
s
d
d
dd
f
f
f
if
dgfgd
ge
gd
ffe
geg
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