Math, asked by rashikathakur, 6 months ago

the 6th term if an ap is -10and its 10th term is-26 detetmine the15th term of ap

Answers

Answered by rachits746

1

Answer:

a+5d= - 10.............(1)

a+9d= -26............(2)

subtract 1 from 2

9d-5d= -26-(-10)

4d= -16

d= -4

put d= -4 in eqn 1

a-20= - 10

a= -10+20

a= 10

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