If `1/x+2/3= 1/(2x)+3/4` then the value of x is A) `2` B) `8` C) `6` D) `4`

If 2x+y=5 and 3x-4y=2, then the value of 2xy is (a) 4 (b) 6 (c) 8 (d) 10

If log_(8)x=(2)/(3), then the value of x is a.(3)/(4)b .(4)/(3)c.3d.4

If sin^-1 (x- x^2/2+x^3/4+x^4/8+…) = pi/6, where |x|lt2 then the value of x is (A) 2/3 (B) 3/2 (C) -2/3 (D) -3/2

It is given that, y = frac(1)(x^3 -x) , If x =2, , then the value of y is (A) 6 (B) frac(1)(6) (C) frac(1)(4) (D) frac(1)(8)

If log_(10)(x^(2)-6x+10)=0, then the value of x is a.3 b.4 c.1 d.2

If the maximum and minimum values of y=(x^(2)-3x+c)/(x^(2)+3x+c) are 7 and (1)/(7) respectively then the value of c is equal to (A)3(B)4(C)5 (D) 6

If (2+(1)/(3(4)/(5)))/(2+(1)/(3+(1)/(4)))=x, then the value of x is (1)/(7) (b) (3)/(7)(c)1(d)(8)/(7)

If (x-(1)/(x))=2, then the value of (x^(4)+(1)/(x^(4))) is (a) 4(b)8(c)12 (d) 34

If ((9)/(4))^(x)xx((8)/(27))^(x-1)=(2)/(3), then the value of x is a.1 b.2 c.3 d.4

If X^2+4x+3=0 , then the value of (X^3)/(X^6+27x^3+27 is (A) -1 (B) -frac(1)(2) (C) 1 (D) 1/2