RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 2. Polynomials

Subject: Maths - Class 10th

Q. No. 23 of Exercise 2C

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If α and β are the zeros of the polynomial f(x) = 5x2 ‒ 7x + 1, find the value of

It is given in the question that,

Zeros of the polynomial 5x2 – 7x + 1 are

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

Sum of zeros = and product of zeros =

= and

= and

Now, we have:



= 7

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