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1. |
Find the sum of the arithmetic progression, \[x-2y,2x-y,3x......11x+8y\]. |
A. | \[33(2x+y)\] |
B. | \[22(2x+y)\] |
C. | \[28(x+y)\] |
D. | \[33x+11y\] |
Answer» B. \[22(2x+y)\] | |