Math, asked by tanu11111154, 9 months ago

Find the cube of
(5a+b)

Answers

Answered by Anonymous
1

(5a+b)³

= (5a)²+3.(5a)².b+3.(5a).b²+(b)²

= 25a²+15a²b+15ab²+b²

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Answered by rawanfirdos
1

Answer:

Find the cube of

(5a+3b)

:125a³ + 27b³ + 225a²b + 135ab²

(5a + 3b)³= 125a³ + 27b³ + 45ab (5a + 3b)

 =125a³ + 27b³ + 225a²b + 135ab²

{ (A + B)³ = A³ + B³ + 3AB (A+B) }

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