Jawapan

  • Pengguna Brainly
2016-01-13T21:28:06+08:00
1/k = 1.097 x 10 ^ 7 (1/2^2 - 1/4^2)
1/k = 10970000 ( 1/4 + 1/16 )
1/k = 2742500 + 685625
1 = 2742500k + 68625k
2811125k = 1
k = 1/2811125
1 5 1