Question
If x + y + z = 6, and x3 + y3 + z3 = 36, xyz = 6 then find (xy +yz + zx)?
More Algebra Questions
- If x + y + z = 7, x² + y² + z² = 85 and x³ + y³ + z³ = 842, then the value of √3xyz is:
- 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 + ab)?
- If (a + b) = 9 and ab = 14, find the value of (a² + b²).
- If (x2 + y2) = 9 and (xy)2 = 3, then find the value of (x4 + y4).
- (√(sec2 θ + cosec2 θ)) ((sinθ(1 + cosθ))/(1 + cosθ - sin2 θ)) , 0˚ < θ < 90˚ is equal to:
- Four persons ‘A’, ‘B’, ‘C’, and ‘D’ have different amounts with them. ‘D’ has twice the amount than that of ‘A’. The amount ‘B’ has is 12.5% more than that...
- If x2 – 10x + 20 = 0, then find the value of (x – 3)2 + 1/(x – 3)2
- If a3 — b3 = 602 and a— b = 2, then find the value of( a2 + b2)
- Simplify the following expression: (8x - 6y - 5z) 2
- If √c + (1/√c) = 7, then find the value of c + (1/c).
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)