Question

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Very easy questions

Answer 1

Answer:

Your answer is below.

Step-by-step explanation:

1. solution.

(a) = it is a polynomial of degree 2.

(b) = it is not a polynomial.

2. solution. =

the given polynomial is

p(X) = (X+1)(x-2)

p(-1) =( -1+1)(-1-2)

= 0*-3

= 0

and p(2) = (2+1)(2-2)

= 3*0

= 0

Hence,-1 and 2 are zeros of the polynomial.

Verified

3.solutuin.

(3x+4) (3x-5)

3x(3x-5) +4(3x-5)

9x2-15x +12x -20

9x2-3x-20

4.102*98

= (100+2)(100-2)

= (100)2-(2)2

= 10000-4

= 9996

5 . = X2 -9x -22

X2 -11x +2x -22

X(x-11) +2(x-11)

( x +2) and (x-11)

6. 2x+5= 0

2x = -5

X = -5/2

I hope these solutions may be helpful for u.