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The equations 3x - 4y = 5 and 12x - 16y = 20 have :

D. MORE THAN TWO COMMON SOLUTIONS.
Posted in:  Linear Equations -  Algebra -  Mathematics

If $x^2 - 6x + α = 0 has two roots α, β and 3α + 2β = 20, then find a.

A. - 16
Posted in:  Quadratic Equations -  Algebra -  Mathematics

If 2x - 2x-1 = 16, then the value of x2 is :

D. 25
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

If the roots of the equation $x^2 - 10x + k - 1 = 0$ are α and β and $α^3 + β^3 = 70$,
then find the value of k.

A. 32
Posted in:  Quadratic Equations -  Algebra -  Mathematics

If (x2 + 1/x2) = 102, then (x - 1/x) is :

B. 10
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics