Hrithik Roshan's 'Super 30' poster shows wrong Math equation
After the official poster of Hrithik Roshan starrer 'Super 30' was released, a Twitter user noticed an error in a mathematical equation on the poster. Pointing out the error, the user tweeted, "i^3= -i not -1". 'Super 30' is a biopic on mathematician Anand Kumar, who is credited with starting the 'Super 30' educational initiative in Bihar. 