Question

Please help me simplify the following.

Answer 1

\[a ^{2}b ^{2}(a ^{-2}+b ^{-2})\]

Answer 2

\[a ^{2}b ^{2}(\frac{ 1 }{ a ^{2} }+\frac{ 1 }{ b ^{2} })\]

Answer 3

correct so far?

Answer 4

Are They 2 Different Questions?

Answer 5

no, same...just showing you my progress and to see if I am on the right track

Answer 6

You don't need to turn them into fractions

Answer 7

oh i see...then what should i do?

Answer 8

do you see how the equation in the parentheses have an exponent of negative 2 and the equation outside of of the parentheses have a positive two?

Answer 9

yes

Answer 10

they cancel each other out

Answer 11

how so?

Answer 12

one is a positive 2 the other is a negative. it's live 2-2 and they equals zero. do you have any answer choices?

Answer 13

i believe the answer is (a^2)+(b^2)

Answer 14

Correct

Answer 15

But you said they cancel...if they cancel how do they equal what i just wrote?

Answer 16

i worked it out wrong

Answer 17

Thank you for the help but I must admit I'm not sure how to do this problem. I'll just have to give it more time i guess.

Answer 18

get Microsoft mathematics

Answer 19

Is it available for MAC

Answer 20

yes

Answer 21

hmm...can't seem to find it for mac

Answer 22

then im sorry

Answer 23

no prob, thanks for the help

Answer 24

welcome