Match the following with their properties. If ab=cd
For four numbers a, b, c, d if a : b = c : d, then b : a = d : c. Which property of proportion is this?
Question 117
Match the following : Column IColumn II(a) a×1(i) Additive inverse of a(b) 1(ii) Additive identity(c) (-a)÷(-b)(iii) Multiplicative identity(d) a×(−1)(iv) a÷(-b)(e) a×0(v) a÷b(f) (-a)÷b(vi) a(g) 0(vii) -a)(h) a÷(-a)(viii) 0(i) -a(ix) -1