Question

9. Find the difference d of an arithmetic progression an, for which a1=9 and s5=15 ​

Answer 1

Answer:

ab tak ka to khud Nikal liya hoga aur baki ka ye raha

2a+4d=6

a+2d=3

9+2d=3

2d = -6

d= -3

Step-by-step explanation:

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