Question

15. The common difference of the A.P whose an=-3n+7
a) 3
b) 1
c)-3
d) 2
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Answer 1

Answer:

-3

Step-by-step explanation:

compare with nth term formula

tn=a+(n-1)d

=a-d+ dn

dn=-3n

so d= -3.

Answer 2

Answer:

answer is -3

hope it will help you