Math, asked by diwakarpatnaik9040, 9 months ago

find the value of a³+8b³ if a+2b=10 and ab=15

Answers

Answered by kamran22onun

4

Answer:

100

step

(a)^3 - (b)^3

= (a + 2b)^3 - 3a x 2b(a +2b)

= 10 ^ 3 - 6 x 15 x 10

= 1000 - 900

= 100

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