Answers

2016-05-01T15:13:06+05:30
Multiply 7 and 9 by 6/6 7 ×6/6 & 9× 6/6 So, 42/ 6 and 54/ 6 Now u can take any four between them. Like 43/6 , 44/6, 45/6 , 47/6 PLZ MARK AS A BRAINLIEST. I NEEDED PLZ MARK AS A BRAINLIEST.
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2016-05-01T15:17:26+05:30

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Jus use the formula a+b/2
a=7;b=9
7+9/2=16/2=8
==7,8,9
take any2 no's
7+8/2=15/2
===7,15/2,8,9
take any 2 no's
8+9/2
17/2
===7,15/2,8,17/2,9
we got three numbers..now again select any other pair of no's
8,15/2
8+15/2/2
16+15/2*2=31/4
Therefor 4 rational numbers between 7 and 9 are
15/2,31/4,8,17/2
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