Math, asked by shubhamkkarna6146, 6 months ago

Find the 5th term of Ap whose 8th term is 9 and 15th termis 65

Answers

Answered by rock2604
0

Answer:

a8=9 ---------a+7d

a15=65------a+14d

by elimination,

a+7d =9

a+14d=65

-----------------

  -7d= -56

    d= -56/-7=8

a= a+7d=9

   a+56=9

    a=9-56= -47

∴ a5= a+4d

 a5= -47+4 x 8

a5= -47+32

a5 = -15

Step-by-step explanation:

THerefore 15th term of the AP is -15

Similar questions