Most Important Selected Qs for JEE AdvancedMathematicsBasics of Mathematics
Let x - 1 x =3 and x^3+ 1 x^3 =k , then characteristic of k with base 10 is:
Correct answer
3
Step-by-step solution
aligned x - 1 x =3 & x+ 1 x -2=9 & x+ 1 x =11 x^3+ 1 x^3 +3 (x+ 1 x )=1331 & x^3+ 1 x^3 =1298 aligned 3 < ₁₀ 1298 < 4