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If |Z+5|≤7, then find the maximum and minimum value of |Z+2|

If |Z+5|≤7, then find the maximum and minimum value of |Z+2|

Grade:11

3 Answers

arka mitra
18 Points
11 years ago

|Z+5|<7

-7 < Z+5 < 7 

-12 < Z < 2

:. -10 < Z+2 < 4

so, minimum value  = -10

and maximum value = 4


Aman Bansal
592 Points
11 years ago

Dear Student,

Using the property,

||z1| - |z2|| ≤ |z1+z2| ≤ |z1| + |z2|

and

 ||z1| - |z2|| ≤ |z1-z2| ≤ |z1| + |z2|

we can evalute the answer.

Best Of luck

Plz Approve the answer...!!!!

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jitender lakhanpal
62 Points
11 years ago

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