Grade 11Algebra
Find the value of summation of r=1 to 4n+7 ir where i = root-1
Find the value of summation of r=1 to 4n+7 ir where i = root-1
1 Answer
Vikas TU
of summation of r=1 to 4n+7 ir where i = root-1
i1 + i2 + i3 + i4 +…………i4n+7
- i -1 +i +1+……….. i4n+7
- All the term will get cancelled in terms of 4
- Hence i4n+7 can be written as i4n . i7
- i4n . i4 . i3
- i
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