Write the following formulas in a simplified form (eliminate parentheses): (a. 5 points) (ga)b mod p, where g, a, b and p are integer numbers. (b. 5 points) () x (gh)V) mod p, where g, a, b and p are integer numbers. (c. 15 points) Prove that if alb then albg, where a, b, and g are integers