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Find the rule from, among the alternativ...

Find the rule from, among the alternatives given below, that has been applied to a set of three numbers, resulting in the given set:
168, 195, 224

A

multiply by 3 and add 1

B

square and add 2

C

square and subtract 1

D

divide by 2 and subtract 1

Text Solution

Verified by Experts

The correct Answer is:
C
Square and subtract 1.
`(13)^(2)-1=168`
`(14)^(2)-1=195`
`(15)^(2)-1=224`
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