Math, asked by lasya2510, 11 months ago

a=8 , d=-1 then t9 ?

Answers

Answered by rajsingh24

2

Step-by-step explanation:

a=8 , d=-1 .

a*d

8*1

=8...............

Answered by nandysandy0910

0

t9=15

Step-by-step explanation:

a=8,d=-1

tn=a+(n-1)d

now,

t9=8(9-1)-1

t9=8+(+7)

t9=15

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