Download CBSE Sample Paper 2024-25 for class 12th to 8th

Polynomials Test - 9

Result

Polynomials Test - 9

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Question 1
1 / -0

The factors of x²−9 is

A
(x+3)(x+3)

B
(x+3)(x−3)

C
(x−3)(x−3)

D
(x−3)(x+9)

Solution

x² - 9

= x² - 3²

Using identity a² - b² = (a + b)(a - b)

= (x + 3)(x - 3)
Question 2
1 / -0

The maximum number of terms in a polynomial of degree 10 is

A
11

B
12

C
10

D
9

Solution

The maximum number of terms is one more than the power of the polynomia.

Therefore, the maximum number of terms in a polynomial of degree 10 is (10 + 1) = 11