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eduhilfe
Asked: September 21, 2020In: NCERT 12th Maths
(i) On , define a*b = a–b (ii) On , define a*b = ab+1 (iii) On ...
eduhilfe
Asked: October 8, 2020In: NCERT 12th Maths
eduhilfe
Asked: September 23, 2020In: NCERT 12th Maths
(A) Is * both associative and commutative? (B) Is * commutative but not associative? (C) Is * associative but not commutative? (D) Is * neither commutative nor associative?
(A) (B) (C) (D) ...
eduhilfe
Asked: September 18, 2020In: NCERT 12th Maths
(i) defined by f(x) = 3-4x (ii) defined by f(x) =
eduhilfe
Asked: September 22, 2020In: NCERT 12th Maths
(i) Compute (2*3)*4 and 2*(3*4) (ii) Is * commutative? (iii) Compute (2*3)*(4*5). (Hint: use the following table)
eduhilfe
Asked: September 22, 2020In: NCERT 12th Maths
(i) 5 * 7, 20 * 16 (ii) Is * commutative? (iii) Is * associative? (iv) Find the identity of * in N (v) Which elements of N are invertible for the operation * ?
eduhilfe
Asked: October 7, 2020In: NCERT 12th Maths
(A) 1 (B) 2 (C) 3 (D) 4