- #1
denian
- 641
- 0
try this out..
expand ( 1 + x/2 - x to the power of 2 ) to the power of n in ascending powers of x until and including the term in x to the power of 3.
the answers given by the book is
1 + nx/2 + n(n-9)/8 x to the power of 2 + n(n-1)(n-26)/48 x to the power of 3 + ...
i just want to know whether the answer is correct or not.
if possible, please show me the working. tq.
expand ( 1 + x/2 - x to the power of 2 ) to the power of n in ascending powers of x until and including the term in x to the power of 3.
the answers given by the book is
1 + nx/2 + n(n-9)/8 x to the power of 2 + n(n-1)(n-26)/48 x to the power of 3 + ...
i just want to know whether the answer is correct or not.
if possible, please show me the working. tq.