The next term of the AP √7,√28,√63.......is
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a=a1=√7
a2=√28=2√7
a3=√63=3√7
d1=a2-a1=√28-√7
d1=√4×7-√7
d1= 2√7-√7
d1=√7
d2=a3-a2
d2=3√7-2√7=√7
d=d1=d2=√7
d=√7
find AP
an=a+(n-1)d
an=√7+(n-1)√7
an =√7+√7n-√7
an=√7n
find next term is a4 then value of n=4
a4=(√7)×4
a4=4√7
n=5
a5=(√7)×5
a5=5√7
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