what is the sum of first 10 natural number
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Answered by
1
55 = 1+2+3+4+5+6+7+8+9+10 = 55
Answered by
1
Answer:
Step-by-step explanation:
S10= 10/2 { 2(1) + ( 10-1 ) 1 }
= 5 ( 2+9)
= 5 ( 11 )
= 55
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