Question

(4у)^2у(у+1) при у=-1/9​

Answer 1

Если у = -1/9, то (4у)²у(у+1)=(4* -1/9)²* -1/9*(-1/9+1)=160/6561

4 * -1/9= -4/9

-4/9²=16/81

16/81 * -1/9= -16/729

-1/9+1= -1 1/9

-16/729 * - 1 1/9=160/6561