polynomials...
pls fast .... high points
Attachments:
Answers
Answered by
1
f(-9) = a(-9)^7 + b(-9)^3 + c(-9) -4 = 18
-9 power 7,3,1 is -(9power7,3,1)
so
-(a(9)^7+b(9)^3+c(9))= 22
implies, (a(9)^7+b(9)^3+c(9))= -22
and a(9)^7+b(9)^3+c(9)-4= -22-4=-26
and the LHS of the above equation is exactly f(9)
so f(9)= -26
-9 power 7,3,1 is -(9power7,3,1)
so
-(a(9)^7+b(9)^3+c(9))= 22
implies, (a(9)^7+b(9)^3+c(9))= -22
and a(9)^7+b(9)^3+c(9)-4= -22-4=-26
and the LHS of the above equation is exactly f(9)
so f(9)= -26
Similar questions