If 2x + y = 15 and xy = 18, then the value of (4x² - y²)
If 2x + (1/9x) = 5, then find the value of 81x2 + (1/4x2) - (1785/4)
The coefficient of ‘b2’ in (3a + b)3 is
If x² + y² + z² = xy + yz + zy (x≠0), then the value of (5x+3y-4z)/2x is
In △ ABC, ∠ A = 90°. M is the midpoint of BC and D is a point on BC such that AD Ʇ BC. If AB = 7 cm and AC = 24 cm. then AD: AM is equal t...
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...
If p = 50 - q - r and pq + r(q + p) = 816 then find the value of (p2 + q2 + r2) .
Given that x8-34x4+1=0, x>0. What is the value of (x3+ x-3)?
If a = 55, then what is the value of