Last Resort⁉️⚠️ Flashcards by Ardhra Ajay

Q

(a + b)³

A

a³ + b³ + 3ab(a + b)

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Q

General term in binomial expansion

A

Tᵣ₊₁ = ⁿCᵣ (a)ⁿ⁻ʳ. (b)ʳ

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Q

The number of ways in which we can distribute n identical balls in k boxes

A

⁽ⁿ⁺ᵏ⁻¹⁾C₍ₖ₋₁₎

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Q

tan (π/4 + x)

A

(1 + tanx) / (1 - tanx)

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