If -3 is a root of both the Quadratic equations 2 x 2- px -15-0- and p x 2- x - q -0- then the value of q if the equation containing it has equal roots is-A- 1 - 4B- 1 - 2C- 2D- 14

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Standard X

Mathematics

Nature of Roots

If -3 is a ro...

Question

If -3 is a root of both the Quadratic equations 2x² + px - 15 = 0, and p(x² + x) + q = 0, then the value of q if the equation containing it has equal roots is.

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Solution

The correct option is A
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Similar questions

If -5 is a root of the quadratic equation $2 x^{2} + p x - 15 = 0$ and the quadratic equation $p (x^{2} + x) + k = 0$ has equal roots. The value of k is ___.

If $- 5$ is a root of the quadratic equation $2 x^{2} + p x - 15 = 0$ and the quadratic equation $p (x^{2} + x) + k = 0$ has equal roots, find the value of $k$ .

Q. If

- 5

is one root of quadratic equation

2 x^{2} + p x - 15 = 0

and roots of quadratic equation

p (x^{2} + x) + k = 0

is equal ,then find the value of

k

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If -3 is a root of both the Quadratic equations 2x2 + px - 15 = 0, and p(x2 + x) + q = 0, then the value of q if the equation containing it has equal roots is.

The correct option is A 1/4

If -3 is a root of both the Quadratic equations 2x² + px - 15 = 0, and p(x² + x) + q = 0, then the value of q if the equation containing it has equal roots is.

The correct option is A
1/4