Question

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Answer 1

Question (iv) :- x² - 2x + 1 is a polynomial in

a) one variable b) Two varible c) Three variable d) None

Solution :-

given polynomial is x² - 2x + 1 .

as we can see that,

→ x² = x * x

→ (-2x) = (-2) * x

→ 1 = 1 * 1

since ,

• variable = x
• constant = (-2) and 1
• Exponent = 2

therefore, we can conclude that, the given polynomial is in one variable .

Question (v) :- A binomial of the degree 20 is ?

Solution :-

since we know that,

• Degree of a polynomial is highest power.

so, checking all given options we get,

a) 20x + 1

→ 20x¹ + 1

• Degree of given polynomial is 1 .

b) (x/20) + 1

→ (x¹/20) + 1

• Degree of given polynomial is 1 .

c) x²⁰ + 1

→ (x)²⁰ + 1

• Degree of given polynomial is 20 .

d) x² + 20

→ (x)² + 20

• Degree of given polynomial is 2 .

therefore, we can conclude that, option (c) is correct answer .

Learn more :-

JEE mains Question :-

https://brainly.in/question/22246812

. Find all the zeroes of the polynomial x4

– 5x3 + 2x2+10x-8, if two of its zeroes are 4 and 1.

https://brainly.in/question/39026698