[" Question 7: "],[" E Answer 7: "],[" Let "y=2sqrt(cot(x^(2)))],[" Therefore,"]

y = sqrt (4x ^ (2) -7)

Answer any One question : Find the simplest value of : sqrt7(sqrt5 - sqrt2) - sqrt5(sqrt7 - sqrt2) + (2sqrt2)/(sqrt5+sqrt7)

sqrt7y^(2)-6y-13sqrt7=0 :

Find (dy)/(dx) for y=((x^2+2)(x+sqrt2))/(sqrt(x+4)(x-7))

If x and y are rational and if x (3 + 2 sqrt2) - y sqrt2 = y(5 -3 sqrt2) + 7(2 + x sqrt2) , then find the value of x and y

Find the angle between the lines y=(2-sqrt3)(x+5) and y=(2+sqrt3)(x-7) .

Find the angle between the lines y=(2-sqrt3)(x+5) and y=(2+sqrt3)(x-7) .

Find the angle between the lines y=(2-sqrt3)(x+5) and y=(2+sqrt3)(x-7) .