RD Sharma - Mathematics

Book: RD Sharma - Mathematics

Chapter: 2. Polynomials

Subject: Maths - Class 10th

Q. No. 39 of CCE - Formative Assessment

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If f(x) is a polynomial such that f(a)f(b)< 0, then what is the number of zeros lying between a and b?

Let’s first draw the figure,


As we can see in the figure the number of zeroes can be 1 or 3.

So the least numbers of zeroes lying between a and b is 1.

Chapter Exercises

More Exercise Questions


The sum and product of the zeros of a quadratic polynomial are and — 3 respectively. What is the quadratic polynomial?