Question

1. If − 1, + 3, 3 − 1 are in A.P., then find p.​

Answer 1

Step-by-step explanation:

p-1, p+3, 3 p-1 are in A.P

2( p+3)= p-1 +3 p-1

= 2p+6=4p-2

=2p= 8 p= 4

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