Question

If the numbers n-2,4n-1,5n+2 are in
a.P. Find the value of n.

Answer 1

Answer:

n=1

Step-by-step explanation:

here in the a.p n-2,4n-1,5n+2

A=n-2

D=second term-first term

=4n-1-n+2

D=3n+1

third term=a+(n-1)D

5n+2=n-2+2(3n+1)

5n+2=n-2+6n+2

7n=5n+2

2n=2

n=1