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Question

Solve the inequation:

3z5z+3<5z9; zR.


A

3<z<4

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B

3<z4

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C

3z<4

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D

3z4

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Solution

The correct option is B

3<z4


Given:

3z5z+3<5z9

3z5z+3 and z+3<5z9

2z8 and 4z>12

z4 and z>3

Since its given that zR,

The range of inequation is 3<z4


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