यदि a = 7 d = 3 एवं n = 8 है तो an का मान ज्ञात कीजिए
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a=7 ,d=3 , n=8
Step-by-step explanation:
an= a+(n-1)d
an= 7+(8-1)3
an= 7+(7)3
an=7+21
an=28
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