If 3,x and 7 are in HP. Find x
abinash03:
is it AP
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a=3
b=7
d=b-a /2=7-3/2=4/2=2
x=a+d=3+2=5
b=7
d=b-a /2=7-3/2=4/2=2
x=a+d=3+2=5
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