evaluate : (34)²-(33)² by short cut method
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Answered by
1
Answer:
(34)²-(33)²
(34+33)(34-33)..............a²-b² = (a+b)(a-b)
67×1
67
Answered by
2
Answer:
= (34×34)-(33×33)
= 1156-1089
= 70
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