Find thr sum of 1,3,5,7,9,11 without adding them
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Answered by
0
1,3,5,7,9,11
a=1
an =11
d= 2
Sn= n/2(2a + (n-1)d)
Substituting the values we get :
36
a=1
an =11
d= 2
Sn= n/2(2a + (n-1)d)
Substituting the values we get :
36
Answered by
0
1+3+5+7+9+11--
Step-by-step explanation:
1357911
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