Question

Obtain the other zeroes of the polynomial
f(x) = 2x^4+ 3x^3- 5 x ²-9 x -
3 of two of its
zeroes are 13 and 13​

Answer 1

Explanation:

Predict your AIR before the examLearn more ×

answr

search

What would you like to ask?

MATHS

avatar

Asked on December 20, 2019 by

Ràdhīka Karkera

Find all zeroes of the polynomial (2x

4

−9x

3

+5x

2

+3x−1) if two of its zeroes are (2+

3

)and(2−

3

).

Share

Study later

ANSWER

X = 2 + √3 and x = 2 - √3 are Zeros of p ( x )

( x - 2 - √3 ) ( x - 2 + √3 )

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

then,

( x - 2 )² - ( √3 )²

x² + 4 - 4x - 3

x² + 1 - 4x .... ( i )

When we divide p ( x ) by ( i ) we get the other zeros

Other zeros are :- x = 1 and x = -1/2

Answer 2

Answer:

Refer to the above answer