Prove by the mathematical induction method that 7²n +2³n-³.3n-¹ is divisible by 25for all n€N

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Challenger of the Day

Dr.Dipin Singh
Dr.Dipin Singh
India
Gujarat
Time: 00:02:02
Points
18

Maths Quotes

The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?

frank

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krishnan

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