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C2 DOUBT edexcel

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halosh92:
(a) Expand (2 + y)^6 in ascending powers of y as far as the term in y^3, simplifying
each coefficient.
(b) Hence expand (2 + x ? x^2)^6 in ascending powers of x as far as the term in x^3,
simplifying each coefficient.

i know how to do the (a) part but am stuck at part (b)

astarmathsandphysics:
Can you restate the question?

halosh92:

--- Quote from: astarmathsandphysics on February 27, 2010, 09:41:57 am ---Can you restate the question?

--- End quote ---

how do u do the second part?

astarmathsandphysics:
I meant this (2 + x ? x^2)^6
with the question mark in the middle

halosh92:

--- Quote from: astarmathsandphysics on February 27, 2010, 10:17:27 am ---I meant this (2 + x ? x^2)^6
with the question mark in the middle

--- End quote ---

sorry typing mistake its:
(2+ x- x^2)^6

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