Binomial expansion up to $x^{2}$
I think that you are right and the book is wrong.
For one thing, the coefficients are always going to have $b$ as part of them.
Discuss this with your instructor. The other students may also be worried.
I think that you are right and the book is wrong.
For one thing, the coefficients are always going to have $b$ as part of them.
Discuss this with your instructor. The other students may also be worried.