This is a bit easier to understand, thank you for your help.
Woah thats a lot of infomation, but supringly it makes sense! Ill take note of using the pascale triangle.Thank you
im actully thinking the second question is actually C , r=0.8 . the series dverges
this one is way more simple than i thought! Thank you for your help on this one. (:
actually i think the second question is D converges r=1/7
so sorry I forgot to reply, but yes this makes sense! I will add notes with this,thank you so much.
thank you(: , it has to do with the powers right?
ohh okay i see my mistake thank you!!
im still kind of unsure how you solved the last one (4)? what did you multiply or divide?