The correct answer is D
If 4x² + y² = 25 and x y = 6, then find the value of 2x + y?
If x/y = 5/3, Find (x+y)/(x-y)?
If a + b + c = 11, ab + bc + ca = 3 and abc = -135, then what is the value of a³ + b³ + c³ ?
If a = (√2 - 1)1/3, then the value of (a-1/a)3 +3(a-1/a) is:
If 3x + (1/3x) = 9 then find 27x³ + (1/27x³ ) = ?
If a² + c² + 17 = 2(a - 8b - 2c²), then what is the value of (a³ + b³ + c³)?
If x2 – 10x + 20 = 0, then find the value of (x – 3)2 + 1/(x – 3)2
when x =5 and y =-7 then find the value of 27x³ +58x²y +31xy² +8y³?
The graphs of the equations 3x-20y-2=0 and 11x-5y +61=0 intersect at P(a,b). What is the value of (a² + b² − ab)/(a² − b²...
