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Byju's Answer
Standard VIII
Mathematics
Differences of Squares of Triangular Numbers and Converse
1392-1382 = 1...
Question
(
139
)
2
−
(
138
)
2
=_____
(
139
+
138
)
A
(
139
×
138
)
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B
(
139
−
138
)
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C
(
139
+
138
)
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Solution
The correct option is
B
(
139
−
138
)
Suggest Corrections
0
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(139)2-(138)2 =
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