Question
What will come in place of (?) in the given expression.
(14)² – (12)² = ?Solution
ATQ,
Using identity: a² – b² = (a + b)(a – b)
= (14 + 12)(14 – 12)
= 26 × 2
= 52
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Depth-First Search (DFS) typically uses which data structure implicitly or explicitly?
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