Find the value of `sqrt(3x+7)` when x=3

Find the value of x and y when 3x+y=3 9x-3y=9

Find the value of : 4x^(3)-5x^(2)-6x+7 when x=3

Using componendo and dividendo, find the value of x if (sqrt(3x+4)+sqrt(3x-5))/(sqrt(3x+4)-sqrt(3x-5))=9 .

Find the value of x in sqrt(x+2sqrt(x+2sqrt(x+2sqrt(3x))))...=x.

If x=7-4sqrt3 then find the value of sqrtx+1/sqrtx

Find the general value of x tan 2x - sqrt3 = 0

(i) If x = (6ab)/(a + b) , find the value of : (x + 3a)/(x - 3a) + (x + 3b)/(x - 3b) . (ii) a = (4sqrt(6))/(sqrt(2) + sqrt(3)) , find the value of : (a + 2sqrt(2))/(a - 2sqrt(2)) + (a + 2sqrt(3))/(a - 2sqrt(3)) .

Draw the graph of the equation 3x+2y-5=0 . Use this graph to find: (i) x_(1) the value of x, when y=7 (ii) y_(1) the value of y, when x=3

Find the value of c in Rolle’s theorem for the function f(x) = x^3– 3x in [–sqrt3, 0] .

Find the value of x , if : (i) (2x + 3) : (5x - 38) is the duplicate ratio of sqrt(5) : sqrt(6). (ii) (2x + 1) : (3x + 13) is the sub-duplicate ratia of 9 : 25 . (iii) (3x - 7) : (4x + 3) is the sub-triplicate ratio of 8 : 27 .