Question

find the sum of the first 50 odd naturalnumbers

Answer 1

Answer:

Step-by-step explanation:

the sum is

1+3+5+7+...........50 terms

there fore the given series is in arthimetic progression where a=1,d=2,n=50

sum is n/2(2a+(n-1)d)

by substituting

25(2+98)

2500

so the sum of first 50 odd numbers is 2500

I hope this will help u ;)

Answer 2

Answer:

Step-by-step explanation: sun of first 50 odd no.s =3+5+7+9+11 +13 +15 +17 +19 +21 +23 +25+ 27 +29+ 31 +33+ 35 +37 +39+41 +43+ 43+ 45 +47+ 49 +51 +53+ 55 +57 +59 +61 +63+ 65+ 67 +69 +71 +73 +75 +77 +79 +81 +83 +85 +87+ 89 +91 +93+ 95+ 97+ 99 = calculate this in calculated by copy pasting

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