RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 2. Polynomials

Subject: Maths - Class 10th

Q. No. 16 of Exercise 2C

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If α and β are the zeros of the polynomial 2x2 + 7x + 5, write the value of α + β + αβ.

It is given in the question that, zeros of the polynomial 2x2 + 7x + 5 are

Now by using the relationship between the zeros of the quadratic polynomial we have:

Sum of zeros = and product of zeros =

= and

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