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Question

Q. If m lies between 4 and 1, and n lies between2 and 3, then the value of m2n2 will definitely lie between

Q. यदि m4 और 1 के बीच स्थित है, और' n2 और 3 के बीच स्थित है, तो m2n2 का मान निश्चित रूप से इन दोनों संख्याओं के बीच में होगा :

A

7 and 16
7 और 16
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B

9 and 16
9 और 16
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C

7 and 9
7 और 9
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D

-8 and 16
-8 और 16
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Solution

The correct option is D
-8 and 16
-8 और 16
Least value of m2n2=min. of m2max. of n2=(1)232=8
highest value of m2n2=max. of m2min. of n2 =(4)2 0=16

m2n2 का न्यूनतम मान =m2 का न्यूनतम मान n2 का अधिकतम मान =(1)232=8
m2n2 का अधिकतम मान =m2 का अधिकतम मान n2 का न्यूनतम मान =(4)2 0=6

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