Help me pls...
(2a^x + 1/2b^x)^2

Question

Help me pls...
(2a^x + 1/2b^x)^2

faolan · Answer

PLEASE HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

welshfella · Answer

(2a^x + 1/2b^x)^2 = (2a^x + 1/2b^x) * (2a^x + 1/2b^x)

now you multiply the second parentheses by 2a^x then do same thing with 1/2 b^x
then simplify any like terms

welshfella · Answer

I'll start you off
 (2a^x + 1/2b^x) * (2a^x + 1/2b^x)
= 2a^x * 2a^x + 2a^x * 1/2 b^x +

faolan · Answer

thx

faolan · Answer

then what...

welshfella · Answer

then muttiply the second parentheses by  1/2 b^x

faolan · Answer

got it thx!

faolan · Answer

4a^2x + 2a^2 b^2 + 1/4b^2x