A) \[4({{x}_{1}}+{{x}_{2}})\]
B) \[4({{x}_{2}}-{{x}_{1}})\]
C) \[2({{x}_{1}}+{{x}_{2}})\]
D) \[2({{x}_{2}}-{{x}_{1}})\]
Correct Answer: B
Solution :
Q = 4 (x2 ? x1)You need to login to perform this action.
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