Question

If x = 28, then the value of
X^5-29x^4+29x^3-29x² + 29x-1 is

a) 32 b) 27 c )29 d) 20​

Answer 1

Putting the value of x = 28 in the expression , we get:

(28) ^5 - 29 (28) ^4 + 29 (28) ^3 - 29 (28) ^2 + 29 (28) - 1

= 17210368 - 17825024 + 636608 - 22736 + 812 - 1

= 17847788 - 17847761

= 27

Ans: (b) 27