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x = ½ , y = ⅓ ആയാൽ (x + y) / xy എത്ര ?

A5

B6

C3

D2

Answer:

A. 5


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(0.27)2+(0.21)2+(0.29)2(0.027)2+(0.021)2+(0.029)2 \sqrt { \frac{(0.27)^2+(0.21)^2+(0.29)^2 }{(0.027)^2+(0.021)^2+(0.029)^2 }} =