Home
Class 9
MATHS
If x^3+1/(x^3)=110 , then x+1/x=? (a)5 ...

If `x^3+1/(x^3)=110 ,` then `x+1/x=?` (a)5 (b) 10 (c) 15 (d) none of these

Promotional Banner

Similar Questions

Explore conceptually related problems

If x^(3)+(1)/(x^(3))=110, then x+(1)/(x)=5 (b) 10 (c) 15 (d) none of these

If x^3-1/(x^3)=14 , then x-1/x=? (a)5 (b) 4 (d) 3 (d) 2

If a (A) x=0 (B) x=1 (C) x=2 (D) None of these.

If x^(3)=(1)/(x^(3))=14, then x-(1)/(x)=5 (b) 4(d)3(d)2

If (x-1)/(x)=3, then the value of 1+(1)/(x^(2)) is (a) 9(b) 10(c)11 (d) None of these

If f (x)=((x-1) (x-2))/((x-3)(x-4)), then number of local extremas for g (x) , where g (x) =f (|x|): (a) 3 (b) 4 (c) 5 (d) none of these

If x is real and k=(x^2-x+1)/(x^2+x+1) , then k in [1//3,3] (b) kgeq3 (c) klt=1//3 (d) none of these

If x is real and k=(x^(2)-x+1)/(x^(2)+x+1), then k in[1/3,3] (b) k>=3(c)k<=1/3(d) none of these

Let f(x)=(x-a)^2+(x-b)^2+(x-c)^2dot Then, f(x) has a minimum at x= (a+b+c)/3 (b) 1/2 (c) 1/8 (d) none of these

If f(x)=|x-3| and g(x)=fof\ (x) , then for x > 10 , g^(prime)(x) is equal to (a) 1 (b) -1 (c) 0 (d) none of these