[" 3.Give ialional annoers cynlvaliont "10" i "],[[" (a) "(2)/(7)," (b) "]]

Give full form of I.V.F.

Find the value of i^11 - i^10

Find the value of ((1 + sin"" (pi)/(10) + i cos"" (pi)/(10))/(1 + sin"" (pi)/(10) - i cos"" (pi)/(10)))^(10) .

The reaction of sodium sulphate with I_(2) gives