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Consider the number 4n where n is a natural number check whether there is any value of n which ends with digit zero

Posted by Prakash Kumar 3 years, 7 months ago

CBSE > Class 10 > Mathematics

2 answers

Harshpreet Singh 3 years, 7 months ago

There is very simple method of only 2 lines If any number have a prime factor of (2×5) then there will be occur 0 LCM of 4 is 2×2 So there is not a pair of 2×5 So that's why there is not a zero

0Thank You

Heyy Don 3 years, 7 months ago

We know that n stands for terms So,let take n=1 4n=4•1=4 therefor,a=4 a2=4•2=8 D=a2-a1 =8-4 =4 So,the common difference is in positive that's why there is no value of n which ends with zero

0Thank You

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CBSE > Class 10 > Mathematics