in Ap ,if the common difference (d)=-4,and the seventh term (a7) is 4,find the first term
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a+6d=4
a-24=4
a=24+4=28
is the first term
all the very best for your 2 nd mathematics Examination
a-24=4
a=24+4=28
is the first term
all the very best for your 2 nd mathematics Examination
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