9. Which is the following is quadratic polynomial-
a. x2
b. x2 + 5 C.. x3 + 1
d. 2x
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Answer:
option a is the quadratic polynomial
Step-by-step explanation:
Quadratic polynomial:- a polynomial whose degree is 2 is called quadratic polynomial
now by options
a) X2 => degree is 2
b) xe+ 5c..X3+1 here degree is 3 as 2ed term has X3 term
c) it is linear polynomial as degree is 1
:. therefore quadratic polynomial is option b
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