Home
Class 9
MATHS
If x+\ sqrt(15)=4, then x+1/x= 2 (b)...

If `x+\ sqrt(15)=4,` then `x+1/x=` 2 (b) 4 (c) 8 (d) 1

Promotional Banner

Similar Questions

Explore conceptually related problems

If x+\ sqrt(15)=4, then x+1/x= (a)2 (b) 4 (c) 8 (d) 1

If x=\ ^3sqrt(2+sqrt(3)) , then x^3+1/(x^3)= (a) 2 (b) 4 (c) 8 (d) 9

If x-1/x=(15)/4, then x+1/x\ =? (a) 4 (b) (17)/4 (c) (13)/4\ (d) 1/4

If sqrt(y)=4x, then (x^(2))/(y) is (a) 2 (b) (1)/(16) (c) (1)/(4) (d) 4

If "x=sqrt(5)+2",then "x-(1)/(x)" equals: (a) "4," (b) "3," (c) "2," (d) "1"

If (x-2)/3=(2x-1)/3-1, then x= (a) 2 (b) 4 (c) 6 (d) 8

If x^(xsqrt(x))=(x sqrt(x))^(x) ,then x=? (A) 1/2 (B) 3/4 (c) 9/4 (D) 3/2

If x-(1)/(x)=(15)/(4), then x+(1)/(x)=4(b)(17)/(4) (c) (13)/(4) (d) (1)/(4)

If x^4+1/(x^4)=623 , then x+1/x=? (a)27 (b) 25 (c) 3sqrt(3) (d) -3sqrt(3)

Given "^(8)C_(1)x(1-x)^(7)+2*^(8)C_(2)x^(2)(1-x)^(6)+3*^(8)C_(3)x^(3)(1-x)^(5)+...+8*x^(8)=ax+b , then a+b is (a) 4 (b) 6 (c) 8 (d) 10