expand (2x + 3y) cube
Answers
Answered by
0
Answer:
just simplify it in ( a^3+b^3) method......
Answered by
0
formula used, (a+b)³=a³+b³+3a²b+3ab²
(2x+3y)³=(2x)³+(3y)³+3(2x)²×3y+3(2x)(3y)²
=8x³+27y³+9y(4x²)+6x(9y²)
=8x³+27y³+36x²y+54xy²
Similar questions