square root x-2 / 2x+1 = p/q make x the subject
Prove that (Sin * 5theta)/(Sin*theta) = 16cos^4 theta - 12cos^2 theta + 1
*4-6-2+3=20
square root x-2/2x+1 = p/q make x the subject
0.106-0.0315
x=0.5z
y=0.5z
z=0.5x+0.5y+0.5t
t=0.5x+0.5y+0.5t
x+y+z+t=1
1/x²+x²=7 then find x³-1/x³
(x+x/x-1). (x-x/x+1)
Find the shortest side of a rectangle if its area is 66 square centimetres and its perimeter is 34 centimetres.
y= 2x^2 +4x
