If `x+1/x=2,` then `x^3+1/(x^3)=?` (a)64 (b) 14 (c) 8 (d) 2

If x+(1)/(x)=2, then x^(3)+(1)/(x^(3))=64(b)14(c)8(d)2

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

If x^(-2)=64 , then x^(1/3)+\ x^0= (a) 2 (b) 3 (c) 3/2 (d) 2/3

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

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

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

If (16)^(2x+3)=(64)^(x+3), then 4^(2x-2)= (a) 64 (b) 256 (c) 32 (d) 512

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

[" 14.If "f(x)=(1-cos2x)/(x^(2))quad " (b) "x!=0" and "f(x)" is continuous at "x=0" ,then "f(0)=?],[[" (a) "1," (b) "2," (c) "3," (d) None of these "]]

If 8^(x+1)=64, what is the value of 3^(2x+1)?1 (b) 3 (c) 9 (d) 27