2, 5, 9, ?, 20, 27
Please let me know the mistake in this equation:
-20=-20
16-36=25-45
42 -4*9=52-5*9
42 - 2*4* 9/2=52 -2*5* 9/2
(4-9/2)2 = (5-9/2)2
4=5
Which of the following pairs represent the same rational number?
(i) (ii) (iii)
(iv) (v) (vi)
(vii)