Question

pls. help/teach me find the 2nd & 3rd derivative of this: A.) y=(4-x^2)^1/2 .....y=the square root of 4-x^2 B.) y=(x+5)^2

Answer 1

\[A.) y=\sqrt{4-x ^{2}} B.) y=(x+5)^{2}\]

Answer 2

find second and third derivative of them? and they are separated problems, right?

Answer 3

yea

Answer 4

do B) first, ok? it's easier. XD

Answer 5

how

Answer 6

what do you want to go? combine or simplest form? I choose simplest.
Ok, expand (x+5)^2=?

Answer 7

knock knock, do it, I guide you step by step. Cannot jump friend.

Answer 8

how to expand it

Answer 9

how to expand (a+b)^2?

Answer 10

so i'll use the foil method

Answer 11

it 's a perfect square!! It has formula to expand, friend. You study derivative , moreover you want to take second and third derivative but not know how to expand a perfect square? are you kidding me?

Answer 12

read and apply http://mathsfirst.massey.ac.nz/Algebra/SimpExp/CS.htm

Answer 13

aˆ2 + 2ab + bˆ2

Answer 14

yes, but your is (x+5) ^2 , so??

Answer 15

sorry i forgot

Answer 16

x^2+25

Answer 17

tnx for the link

Answer 18

where is the middle term?