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Question

Write the arithmetic progression when first term a and common difference d are as follows:
a=1;d=12

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Solution


Given, first term of the arithmetic progression is
a=1
And common difference of A.P is
d=12
The nth term of an arithmetic progression is given by
an=a+(n1)d....eq(1)
Hence first term a1 by putting n=1 in eq(1)
a1=1+(11)12
a1=1+(0)12
a1=1.......eq(2)

Hence second term a2 by putting n=2 in eq(1)
a2=1+(21)12
a2=1+12
a2=12.......eq(3)

Hence third term a3 by putting n=3 in eq(1)
a3=1+(31)12
a3=1+(2)12
a3=1+1
a3=0.......eq(4)

Hence fourth term a4 by putting n=4 in eq(1)
a4=1+(41)12
a4=1+(3)12
a4=1+32
a4=12.......eq(5)
and so on
an=a+(n1)d

Hence the arithmetic progression is.
1,12,0,12

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