Find the triangular number whose base is 15.
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Answered by
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2m =15
m =15/2
m²-1= 225/4-1 =221/4
m²+1= 225/4+1=229/4
Hence the numbers are 15, 221/4,229/4
hope helped !
m =15/2
m²-1= 225/4-1 =221/4
m²+1= 225/4+1=229/4
Hence the numbers are 15, 221/4,229/4
hope helped !
Answered by
2
15 , 221/4 ,229/4. ........
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