Math, asked by Sissharth3407, 1 year ago

If a-b=4 and ab=45 find the value of a^3-b^3

Answers

Answered by abhi178
118
a³ - b³ = (a - b)³ +3ab (a - b)
here,
(a - b ) = 4
ab = 45

so,
a³ - b³ = (4)³ + 3×45 × 4

= 64 + 540

= 604
hence,
a³ - b³ = 604
Answered by Anonymous
45
a³ - b³ = (a - b)³ +3ab (a - b)

Given :-

(a - b ) = 4

ab = 45


a³ - b³ = (4)³ + 3 ×45 × 4

= 64 + 540

= 604

a³ - b³ = 604
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