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If a n is equal to 5 minus 11 and find the common difference

Posted by Abhishek Agrahari 6 years, 10 months ago

CBSE > Class 10 > Mathematics

2 answers

Yogita Ingle 6 years, 10 months ago

a_n = 5 - 11n
If n = 1 ;
a₁ = 5-(11×1)
a₁ = -6
If n = 2 ;
a₂ = 5-(11×2)
a₂= -17
Now , a₁=-6 & a₂=-17
Hence, common difference = d = a₂-a₁
= -17-(-6)
= -11

1Thank You

Aryan Khare 6 years, 10 months ago

Complete question

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CBSE > Class 10 > Mathematics