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In each of the following, determine whether the given numbers are roots of the given equations or not; 3x2 – 13x – 10 = 0; 5, `(-2)/(3)`
Concept: undefined >> undefined
In each of the following, determine whether the given numbers are roots of the given equations or not; 6x2 – x – 2 = 0; `(-1)/(2), (2)/(3)`
Concept: undefined >> undefined
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If `sqrt(2)` is a root of the equation `"k"x^2 + sqrt(2x) - 4` = 0, find the value of k.
Concept: undefined >> undefined
If a is a root of the equation x2 – (a + b)x + k = 0, find the value of k.
Concept: undefined >> undefined
If `(2)/(3)` and – 3 are the roots of the equation px2+ 7x + q = 0, find the values of p and q.
Concept: undefined >> undefined
Find the discriminant of the following equations and hence find the nature of roots: 3x2 – 5x – 2 = 0
Concept: undefined >> undefined
Find the discriminant of the following equations and hence find the nature of roots: 2x2– 3x + 5 = 0
Concept: undefined >> undefined
Find the discriminant of the following equations and hence find the nature of roots: 7x2 + 8x + 2 = 0
Concept: undefined >> undefined
Find the discriminant of the following equations and hence find the nature of roots: 3x2 + 2x - 1 = 0
Concept: undefined >> undefined
Find the discriminant of the following equations and hence find the nature of roots: 16x2 - 40x + 25 = 0
Concept: undefined >> undefined
Find the discriminant of the following equations and hence find the nature of roots: 2x2 + 15x + 30 = 0
Concept: undefined >> undefined
Discuss the nature of the roots of the following quadratic equations : x2 – 4x – 1 = 0
Concept: undefined >> undefined
Discuss the nature of the roots of the following quadratic equations : `3x^2 - 2x + (1)/(3)` = 0
Concept: undefined >> undefined
Discuss the nature of the roots of the following quadratic equations : `3x^2 - 4sqrt(3)x + 4` = 0
Concept: undefined >> undefined
Discuss the nature of the roots of the following quadratic equations : `x^2 - (1)/(2)x + 4` = 0
Concept: undefined >> undefined
Discuss the nature of the roots of the following quadratic equations : -2x2 + x + 1 = 0
Concept: undefined >> undefined
Discuss the nature of the roots of the following quadratic equations : `2sqrt(3)x^2 - 5x + sqrt(3)` = 0
Concept: undefined >> undefined
Find the nature of the roots of the following quadratic equations: `x^2 - (1)/(2)x - (1)/(2)` = 0
Concept: undefined >> undefined
Find the nature of the roots of the following quadratic equations: `x^2 - 2sqrt(3)x - 1` = 0 If real roots exist, find them.
Concept: undefined >> undefined
Without solving the following quadratic equation, find the value of ‘p’ for which the given equations have real and equal roots: px2 – 4x + 3 = 0
Concept: undefined >> undefined
