Question

a p(x) = 3x
can you please sa its answer​

Answer 1

x(2n-1)

Step-by-step explanation:

a=x

d=3x-x=2x

Tn=a+(n-1)d

=x+(n-1)2x

=x(2n-1)

Answer 2

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The Question is Give below 

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The Answer is Attachment

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