1
Q
A
2
Q
A
put the terms on the numerator that CANCEL the denominator out !
3
Q
what to do here
A
equate the orginal valeu to the substitutted appproximation
,then rearrange
4
Q
how to prove that A= 0?
A
compare coefficeints
5
Q
“find the first 3 terms”
A
mke sure to multiply them all out and add together common coeffs (Eg x^2) instead of just getting the first 3 terms you find !
