Math, asked by farswankaushalya778, 8 months ago

d=5,s9=75,find a and a9

Answers

Answered by sahilmishra1916

Answer:

d=5,s9=75

s9= 9/2 [2a+(9−1)5]

75= 9/2 [2a+40]

150=9[2a+40]

150=18a+360

150−360=18a

−210=18a

-210/18 =a

a= -35/3

a9 =a+(9−1)5

a9 = −35/3 + 40

a9 =-35 + 120

3 a9 = -85/3

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hope you like it!☺️☺️

Answered by shreyasenthil146

Answer:

the answer is given above

Step-by-step explanation:

if it helps pls mark it as brainliest..

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