Question

jack writes a number series
1 2 3 4 1 2 3 4 1
what is the sum of first 99 terms of this series
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Answer 1

Answer:

O6इफजड9ट्झफिओहडॉगसिक्सलचओझीहटिक्स

Answer 2

Answer:

4950

Step-by-step explanation:

a = 1

d = 2 - 1 = 1

n = 99

S = n/2[2a + (n - 1)d]

=99/2[2(1) + (99 - 1)1]

=99/2(2 + 98)

=99/2(100)

=99(50)

S =4950