Class -10th | Algebra | chapter-2 | practice set-2.5| Q.5- Q.7|

Описание: Standard-10th | Algebra | chapter-2 | practice set-2.5| Q.5- Q.7|

Standard-10th | Algebra | chapter-2 | practice set-2.5| Q.5- Q.7|

Standard-10th | Algebra | chapter-2 | practice set-2.5| Q.5- Q.7|


5. Sum of the roots of a quadratic equation is double their product. Find k if equation
is x2 - 4kx + k + 3 = 0
6. a , b are roots of y2 - 2y - 7 = 0 find,
(1) a2 + b2
(2) a3 + b3
7. The roots of each of the following quadratic equations are real and equal, find k.
(1) 3y2 + ky + 12 = 0 (2) kx (x - 2) + 6 = 0

5. Sum of the roots of a quadratic equation is double their product. Find k if equation
is x2 - 4kx + k + 3 = 0
6. a , b are roots of y2 - 2y - 7 = 0 find,
(1) a2 + b2
(2) a3 + b3
7. The roots of each of the following quadratic equations are real and equal, find k.
(1) 3y2 + ky + 12 = 0 (2) kx (x - 2) + 6 = 0

5. Sum of the roots of a quadratic equation is double their product. Find k if equation
is x2 - 4kx + k + 3 = 0
6. a , b are roots of y2 - 2y - 7 = 0 find,
(1) a2 + b2
(2) a3 + b3
7. The roots of each of the following quadratic equations are real and equal, find k.
(1) 3y2 + ky + 12 = 0 (2) kx (x - 2) + 6 = 0

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