Question

first term of an a.p is 2 and common difference is 4 find the sum of the 10 terms from the second term to the 11th term

Answer 1

Answer:

Step-by-step explanation:

a=2

cd=4

a2=2+4=6

a11=a+10d=2+40=42

sn= n/2[ a +an]

sn= 10/2[6+42]

sn=5×48

sn =240

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