x^2 - 4x - 5 = 0
-10,6:8=
2(4x-1)/3 = 9(x+1)/4
Express 140cos θ – 480sinθ in the form Kcos(θ + α)
where K > 0 and 0 < α < 90°
State the value of K and give the value of α, i...
Obtain the stationary points for
F(x,y)=xy $\sqrt{1-x^2/a^2-y^2/b^2}$
for a>0 and b>0
solve (60%of 1240+x)/15=51
-2x+y=0
5x+3y=-11
solve by substitution
log2(x-3)=5
find the midpoint of A(-2,0) and B(6,8)
10000001 /1001
