1/((2*3.14)*√0.26*10^-3*238*10^-12)
=1/{ 6.28*√[(0.26*238)*10^(-3-12)]
=1/[ 6.28*√(61.88*10^-15)
=1/[6.28*√(6.188*10^-14)
=1/(6.28*2.49*10^-7)
=[1/(6.28*2.49)] ×10^7
=0.064×10^7
=640×10^3
1/((2*3.14)*√0.26*10^-3*238*10^-12)
=1/{ 6.28*√[(0.26*238)*10^(-3-12)]
=1/[ 6.28*√(61.88*10^-15)
=1/[6.28*√(6.188*10^-14)
=1/(6.28*2.49*10^-7)
=[1/(6.28*2.49)] ×10^7
=0.064×10^7
=640×10^3