RD Sharma - Mathematics

Book: RD Sharma - Mathematics

Chapter: 2. Polynomials

Subject: Maths - Class 10th

Q. No. 4 of Exercise 2.3

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Obtain all zeros of if one of its zeros is -2.

We know that if is a zero of a polynomial then

Since -2 is zero of Therefore is a factor of .

Now on dividing to find other zeros.

By applying division algorithm, we have:

= ()()

= ()

= {}

Hence, the zeros of the given polynomial are:

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