If `3x+2/x=7,` then `(9x^2-4/(x^2))=?` (a)25 (b) 35 (c) 49 (d) 30

If 3x+(2)/(x)=7, then (9x^(2)-(4)/(x^(2)))=25 (b) 35(c)49(d)30

If (x+(1)/(x))=3, then (x^(2)+(1)/(x^(2)))=?( a )7( b) 9(c)10(d)27

If x/6+x/4=x/2+3/4, then x= (a) 9 (b) 6 (c) -9 (d) 4

If the measure of the angles of a triangle are (2x-5)^0,(3x-1/2)\ a n d\ (30-x/2), then x= (a) (311)/9 (b) (309)/(11) (c) (310)/9 (d) (301)/9

What should be added to 3x^2+4 to get 9x^2-7? (a) 6x^2-11\ (b) 6x^2+11 (c) 12 x^2-11 (d) 12 x^2+11

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

sqrt(9^(4x^2))=? (a) 9^(2x) (b) 3^(2x^(2)) (c) 3^(2x) (d) 9^(2x^(2))

If x is real, the maximum value of (3x^(2)+9x+17)/(3x^(2)+9x+7) is (a) (17)/(7) (b) (1)/(4) (c) 41 (d) 1

If x is real, the maximum value of (3x^(2)+9x+17)/(3x^(2)+9x+7) is (a) (17)/(7) (b) (1)/(4) (c) 41 (d) 1

If x=-5+4i then x^4+9x^3+35x^2-x+4=