(29) Find the sum of 10 terms of 3, 13, 23
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Answered by
1
Answer:
hey , this sum of A.P. is reduced from the syllabus .
Answered by
0
Answer:
l
Step-by-step explanation:
a=3
d=10 an=a(n-1) d 3(10-1)10 =3+9 x10 = 270
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