


This Question is Closed

ParthKohli
Best Response
You've already chosen the best response.
1
Would you like to use the Binomial Theorem here?

UnkleRhaukus
Best Response
You've already chosen the best response.
0
\[(2x+1)^3=(2x+1)(2x+1)(2x+1)\]

ParthKohli
Best Response
You've already chosen the best response.
1
\[1(2x)^3(1)^0 +3(2x)^2(1)^1 + 3(2x)^1(1)^2 + 1(2x)^0(1)^3 \]

ParthKohli
Best Response
You've already chosen the best response.
1
@UnkleRhaukus is right, but who'd like to multiply that much? :P

UnkleRhaukus
Best Response
You've already chosen the best response.
0
\[=(4x^2+4x+1)(2x+1)\]

ParthKohli
Best Response
You've already chosen the best response.
1
\[\implies 2x(4x^2 + 4x + 1) + 1(4x^2 + 4x + 1)\]

UnkleRhaukus
Best Response
You've already chosen the best response.
0
easy

mayankdevnani
Best Response
You've already chosen the best response.
0
\[(2x +1)^3\]=\[(2x)^3+(1)^3+3xy(2x+1)\]

mayankdevnani
Best Response
You've already chosen the best response.
0
and then solve it @shaqadry

Yahoo!
Best Response
You've already chosen the best response.
0
(a+b)^3 = a^3 + 3a^2 b + 3a b^2 + b^3

Yahoo!
Best Response
You've already chosen the best response.
0
Or Use pascal Triangle to find its Coefficient

shaqadry
Best Response
You've already chosen the best response.
0
thank you everyone!