NCERT Solutions For Class 10 Maths Chapter 2 Ex 2.4

Ex 2.4 Class 10 Maths Question 1.

Verify that the numbers given alongside of the cubic polynomials below are their zeroes. Also, verify the relationship between the zeroes and the coefficients in each case:

Solution for Ex 2.4 Class 10 Maths Question 1

Ex 2.4 Class 10 Maths Question 2.
Find a cubic polynomial with the sum, some of the product of its zeroes taken two at a time, and the product of its zeroes as 2, -7, -14 respectively.

Solution for Ex 2.4 Class 10 Maths Question

 

Ex 2.4 Class 10 Maths Question 3.
If the zeroes of the polynomial x3 – 3x2 + x + 1 are a-b, a, a + b, find a and b.

Solution for Ex 2.4 Class 10 Maths Question

 

Ex 2.4 Class 10 Maths Question 4.
If two zeroes of the polynomial x4 – 6x3 – 26x+ 138x – 35 are 2 ± √3, find other zeroes.

Solution for Ex 2.4 Class 10 Maths Question

 

Ex 2.4 Class 10 Maths Question 5.
If the polynomial x4 – 6x3 + 16x2 – 25x + 10 is divided by another polynomial x2 – 2x + k, the remainder comes out to be x + a, find k and a.

Solution for Ex 2.4 Class 10 Maths Question

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