If ab+ba=1, then the value of a3+b3 is

More Questions from Simplification

• A, B and C are three points on a circle with centre O. The tangent at C meets BA produced at T. If ∠ATC = 30° and ∠ACT = 48°,then what is the value of ∠AOB ?
• If 3sinθ+4cosθ=5 (0<θ<90°) then the value of sinθ is
• If 11-13xx + 11-13yy + 11-13zz = 5 then what is the value of 1x + 1y + 1z = ?
• If 2x + (9/x) = 9, then what is the minimum value of x2+1x2 = ?
• If (5x – y)/(5x + y) = 3/7, then what is the value of (4x2 + y2 – 4xy)/(9x2 + 16y2 + 24xy) ?
• If (x + y)2 = xy + 1 and x3 – y3 = 1 , then what is the value of x – y?
• If sin θ + sin 5θ = sin 3θ and 0 < θ < (π/2), then what is the value of θ (in degrees)?
• If A/3 = B/2 = C/5, then what is the value of ratio (C + A)2 : (A + B)2 : (B + C)2?
• If a+b=2c then the value of aa-c+cb-c is equal to (where a≠b≠c )
• If x+1x=5, then the value of x1+x+x2 is

Discussion & Comments