Question

If the nth tem of an A.P, is Pn+q, find its
Common difference​

Answer 1

Answer:

CD(d)=P

Step-by-step explanation:

an=Pn+q

a1=P(1)+q

=P+q ....(1)

a2=P(2)+q

=2P+q ......(2)

eqn=>(1)-(2)

=>a2-a1=2P+q-(P+q)

=>d =2P+q-P-q

=2P-P

d=P