Question
Asked Sep 22, 2019
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Hello

I have attached a picture here. Im trying to understand how they got this answer on this problem. Is that symbol called delta? can you help me out by working it step by step to help me understand these?

3. Find the following limit: lim + Ax)-5(x+Ar)-7-(x-5x-7)
A(XAx)
Xx(A)(4x-) + (Ax AX)
x22xAx sx
Ax- 0
Ax
+ 2x4x +Ax2-SA-SAX--X
ax Ax + CAx) (4x)- 54x
+7
4xl2x tAX-S) ax-s
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3. Find the following limit: lim + Ax)-5(x+Ar)-7-(x-5x-7) A(XAx) Xx(A)(4x-) + (Ax AX) x22xAx sx Ax- 0 Ax + 2x4x +Ax2-SA-SAX--X ax Ax + CAx) (4x)- 54x +7 4xl2x tAX-S) ax-s

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Expert Answer

Step 1

Given,

 ...

(x +Ar)-5(x+Ar)-7-(x -5x-7)
lim
A0
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(x +Ar)-5(x+Ar)-7-(x -5x-7) lim A0

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Tagged in

Math

Calculus

Limits