Question

if a - b = 8 and ab=6 find a³ - b³

Answer 1

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Refer To The Attachment !

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Answer 2

$\mathbb{ELLO \ THERE!}$

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Question: if a - b = 8 and ab = 6 find a³ - b³

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Answer

a - b = 8

ab = 6

(a - b)³ = a³ - b³ - 3ab (a - b)

Substituting the values we get,

→ (8)³ = a³ - b³ - 3(6) (8)

→ 512 = a³ - b³ - 144

→ 512 + 144 = a³ - b³

→ 656 = a³ - b³

→ a³ - b³ = 656

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