THE nth term of Ap is 7-4n.find its common difference
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given
tn=7-4n
=7-4n-3+3=(4-4n)+3
=3+(n-1)-4
it is in the form a+(n-1)d
tn=7-4n
=7-4n-3+3=(4-4n)+3
=3+(n-1)-4
it is in the form a+(n-1)d
RSS02:
so its common difference is -4
i carelessly left this
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