A recipe calls for flour, sugar, and butter in the ratio

If x = (√13 + √12)/ (√13 - √12) and y = (√13 - √12)/(√13 + √12), then find the value of 4x² – xy + 4y².

If (x – 3) is a factor of (x² + 4qx – 2q), then the value of q is:

If x = 8.15, y = 9.06 and z = –17.21, then the value of x³ + y³ + z³ – 3xyz is:

If x² + y² + z² = xy + yz + zy (x≠0), then the value of (5x+3y-4z)/2x is

If  a²+2 = 2a

then find a⁴ - a³ + 2a² -2a+ 9 = ?

Rs. 25200 is invested in 3 parts in such a way that Simple Interest on 1^st Part at 4% per annum for 3 years, Simple Interest on 2^nd

If a³ — b³ = 602 and a— b = 2, then find the value of( a² + b²)

If x³ + y³ = 9 and x + y=3 then the value of x⁴ + y⁴ is: