" (B) "(3+sqrt(23))-sqrt(23)

Classify the following numbers as rational or irrational: (i) 2-sqrt(5) (ii) (3+sqrt(23))-sqrt(23) (iii) (2sqrt(7))/(7sqrt(7)) (iv) 1/(sqrt(2)) (v) 2pi

Classify the following numbers as rational or irrational: (i) 2-sqrt(5) (ii) (3+sqrt(23))-sqrt(23) (iii) (2sqrt(7))/(7sqrt(7)) (iv) (1)/(sqrt(2)) (v) 2pi

Classify the following numbers as rational or irrational:(i) 2-sqrt(5) (ii) (3+sqrt(23))-sqrt(23) (iii) (2sqrt(7))/(7sqrt(7)) (iv) 1/(sqrt(2)) (v) 2pi

Classify the following numbers as rational or irrational . (i) 2-sqrt(5) (ii) (3+sqrt(23))-sqrt(23) (iii) (2sqrt(7))/(7sqrt(7)) (iv) (1)/(sqrt(2)) (v) 2pi

Classify the following numbers as rational or irrational: (3+ sqrt(23)) -sqrt(23)

Classify the following numbers as rational or irrational (3+sqrt(23))-sqrt(23)

If vec (a),vec (b) and vec (c) are the position vectors of the points A(2,3,-4), B(3,-4,-5) and C(3,2,-3) respectively ,then |vec(a)+vec(b)+vec(c)| is equal to (A) sqrt(113) (B) sqrt(185) (C) sqrt(203) (D) sqrt(209)