हिंदी

Find the sum of the zeros and the product of zeros of a quadratic polynomial are −1/2 and –3 respectively. Write the polynomial.

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प्रश्न

Find the sum of the zeros and the product of zeros of a quadratic polynomial are `-1/2` and –3 respectively. Write the polynomial.

The sum of zeros and the product of zeros of a quadratic polynomial are `(-1)/2` and –3 respectively. Write the polynomial. 

योग
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उत्तर

We can find the quadratic polynomial if we know the sum of the roots and product of the roots by using the formula

x2 – (sum of the zeroes)x + product of zeroes

⇒ `x^2 - (-1/2)x + (-3)` 

⇒ `x^2 + 1/2x - 3` 

Hence, the required polynomial is `x^2 + 1/2x - 3`.

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अध्याय 2: Polynomials - EXERCISE 2C [पृष्ठ ६६]

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आर.एस. अग्रवाल Mathematics [English] Class 10
अध्याय 2 Polynomials
EXERCISE 2C | Q 18. | पृष्ठ ६६

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