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In an AP if the common difference =4 and the seventh term is 4 then find the first term

Posted by Mohit Gupta 6 years, 9 months ago

CBSE > Class 10 > Mathematics

2 answers

Chirayu . 6 years, 9 months ago

a7= a+(n-2)d , 4= a+(7-2)4 , 4 = a +24 , a=-20

0Thank You

Kush Manihar 5 years, 8 months ago

—20

1Thank You

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CBSE > Class 10 > Mathematics