Question

if a+1/25a=1 then find 125a^3+125*1/125a^3

Answer 1

Answer:

Explanation:

here comes a solution

Answer 2

Answer:

The answer is 539

Explanation:

Concept:

Multiply both side by 3/5.

(53)5a+(53)(31a)=(53)5

=> 3a+(51a)=3

Squaring both sides,

9a2+(25a21)+(56)=9   {using (a+b)2=a2+b2+2ab)

=> 9a2=(25a21)=539

#SPJ3