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Ap , if the common difference …

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Ap , if the common difference (d)=4 and the seven therm (a7)is 4 then find the first them ?

Posted by Pooja Nangliya 6 years, 11 months ago

CBSE > Class 10 > Mathematics

4 answers

Chētnà Pandey✌️ 6 years, 11 months ago

Ohh sorry? 4=a+6×4. 4=a+24. a=20 Really sorry for a silly mistake?

Meenakshi Rajput 6 years, 11 months ago

a=-20

Chētnà Pandey✌️ 6 years, 11 months ago

a7=a+6d =a +6×4=a+24=0 a=-24 then first term is -24

Puja Sahoo 6 years, 11 months ago

a=-20. Hope it helps you......

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