NCERT Solutions For Class 10 Maths Chapter 2 Ex 2.3

Ex 2.3 Class 10 Maths Question 1.

Divide the polynomial p(x) by the polynomial g(x) and find the quotient and remainder in each of the following:
(i) p(x) = x3 – 3x2 + 5x – 3, g(x) = x2 – 2
(ii) p(x) = x4 – 3x2 + 4x + 5, g(x) = x2 + 1 – x
(iii) p(x) = x4– 5x + 6, g(x) = 2 – x2

Solution for Ex 2.3 Class 10 Maths Question 1

Solution for Ex 2.3 Class 10 Maths Question 1
 

Ex 2.3 Class 10 Maths Question 2.

Check whether the first polynomial is a factor of the second polynomial by dividing the second polynomial by the first polynomial.
(i) t2 – 3, 2t4 + 3t3 – 2t2– 9t – 12
(ii) x2 + 3x + 1, 3x4 + 5x3 – 7x2 + 2x + 2
(iii) x2 + 3x + 1, x5 – 4x+ x2 + 3x + 1

Solution for Ex 2.3 Class 10 Maths Question 2

Solution for Ex 2.3 Class 10 Maths Question 2
 

Ex 2.3 Class 10 Maths Question 3.

Obtain all other zeroes of 3x4 + 6x3 – 2x2 – 10x – 5, if two of its zeroes are  and  

Solution for Ex 2.3 Class 10 Maths Question 3

Solution for Ex 2.3 Class 10 Maths Question 3
 

Ex 2.3 Class 10 Maths Question 4.

On dividing x– 3x2 + x + 2bya polynomial g(x), the quotient and remainder were x – 2 and -2x + 4 respectively. Find g(x).

Solution for Ex 2.3 Class 10 Maths Question 4

Solution for Ex 2.3 Class 10 Maths Question 4
 

Ex 2.3 Class 10 Maths Question 5.

Give examples of polynomials p(x), g(x), q(x) and r(x), which satisfy the division algorithm and:
(i) deg p(x) = deg q(x)
(ii) deg q(x) = deg r(x)
(iii) deg r(x) = 0

Solution for Ex 2.3 Class 10 Maths Question 5

Solution for Ex 2.3 Class 10 Maths Question 5
 

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