find the common difference if a27-a7=84
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gfhfjuyt
here it is
a27=a+26d
a7=a+6d
ATQ
a+26d-(a+6d)=84
a+26d-a-6d=84
26d-6d=84
20d=84
d=84/20
d=4.2
thanks
here it is
a27=a+26d
a7=a+6d
ATQ
a+26d-(a+6d)=84
a+26d-a-6d=84
26d-6d=84
20d=84
d=84/20
d=4.2
thanks
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