Most Important Selected Qs for JEE AdvancedMathematicsComplex Number
Match the following List-I with List-II
Options
- Aarray llll 4 & 1 & 3 & 2 array
- Barray llll 1 & 4 & 2 & 3 array
- Carray llll 2 & 3 & 4 & 1 array
- Darray llll 4 & 1 & 2 & 3 array
Correct answer
D. array llll 4 & 1 & 2 & 3 array
Step-by-step solution
(P) _ r=1 ¹⁰(r- ) (r- ^2 )= _ r=1 ¹⁰ r^2-r(-1)+1 (Q) ^4+ ^4+ ⁻¹ ⁻¹= ^4+ ^8+ ⁻¹ ⁻²= + ^2+1=0 (R) N ^ =1+ +i =2 2 [ 2 +i 2 ]=2 2 e^ i / 2 D^r=-i^2 +i(1+ )=i [ . conjugate of .N^ ]=i 2 2 e^ -i / 2 (S) 3 + 3^2 + 3^3 + . . = 2