If A = 2£ + 2ŷ + 92 and B = 7p + 3¢ – 42 are at P(5,180°,2), the result of A + B is O a. -5âx-1ây+5âz O b. -5âx+1ây-5âz O c. 10âx+1ây+5âz O d. 5âx-1ây+10âz O e. -9âx-2ây+5âz

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