Q no 15

Q15. The value of  r = 2 100   3 r 2 - 2 r r r + 1   r + 2  is equal to

(A)  1 2 - 3 100 100 101                  (B)  3 2 - 3 101 101 102

(C)  3 2 - 3 100 100 101                  (D) none of these

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