Find the cube of
(5a+b)
Answers
Answered by
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
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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