Given -4x² + y² = 25 and x y = 6 so now (2x+y) ² =4x² +y²+4xy = 25+4×6=49 (2x+y) =7
The expression of (cot θ + cosec θ −1) / (cot θ − cosec θ+1) is equal to
if x²-7x+1 and 0
If x sin3 θ + y cos3 θ = sin θ cos θ and x sin θ − y cos θ = 0, then the value of x2 + y2 equals
If a3 + 3a2 + 9a = 1, then what is the value of a3 + (3/a)?
If α and β are the roots of equation x2 – x + 1 = 0, then which equation will have roots α3 and β3?
...The value of x which satisfies the equation (x+a2+2c2) / (b+c) + (x+b2 +2a2) / (c+a) + (x+c+2b2) ...
10 women and 12 men complete a certain piece of work in 30 days, if each women takes thrice the time taken by a man to finish the work.
Quantity...
x, y and z are real numbers. If x3 + y3 + z3 = 13,x + y + z = 1 and xyz = 1, then what is the value of xy + yz + zx?...
If (2x + 3y+ 4) (2x + 3y 5) is equivalent to (ax² + by² + 2hxy + 2gx + 2fy + c), then what is the value - of ((g + f – c) / abh}?
is equal to:
