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In an AP if d=4,n=7,an=4,then a …

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In an AP if d=4,n=7,an=4,then a is

Posted by Manish Patel 6 years, 7 months ago

Karan Kathuria 6 years, 7 months ago

an = a+(n-1)d 4 = a+(7-1)×4 4 = a+ 6×4 4 = a+ 12 4-12= a -8 = a So,a= -8

Divyanshu Tayal 6 years, 7 months ago

I think -20

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