1.

50,46,42...........to 10 terms.​

Answer»

Step-by-step explanation:

A=50

n=10

D= 46-50= -4

L= a+(n-1)d

L=50+(10-1)(-4)

L=50+9×-4

L =50-36

L=14

Now, Sn=n/2(a+l)

Sn=10/2(50+14)

Sn=5(64)

Sn=320.

please mark as BRAINLIST ANSWER and follow me



Discussion

No Comment Found

Related InterviewSolutions