Given set A determine if the following statements are true or false. (Enter T for true and F for false.) A equals left curly bracket left curly bracket 1 right curly bracket comma left curly bracket 2 right curly bracket comma 3 comma 4 comma left curly bracket 3 comma 4 right curly bracket comma 5 comma left curly bracket 6 comma 7 right curly bracket right curly bracket a) left curly bracket 6 comma 7 right curly bracket element of A Enter answer b) left curly bracket 5 comma 6 right curly bracket element of A Enter answer c) left curly bracket 6 comma 7 right curly bracket subset of A Enter answer d) left curly bracket 1 comma 2 right curly bracket subset of A Enter