Math, asked by pandavar1401, 1 year ago

If 0 & 2 are the zeroes of the polynomial f(x)=2xcube - 5xsquare + ax + b. Find a & b.

Answers

Answered by mysticd
4
Solution :

Let p(x) = 2x³-5x+ax+b

0 and 2 are the zeroes of p(x)

i ) p(0) = 0

=>2(0)²-5(0)+a(0)+b = 0

=> b = 0 ----( 1 )

ii ) p(2) = 0

=> 2(2)²-5(2)+a(2)+b= 0

=> 4 - 10 + 2a + 0 = 0

=> -6 + 2a = 0

=> 2a = 6

=> a = 6/2

=> a = 3

Therefore ,

a = 3 , b = 0

•••••

aryanaligeti: thanks subscribe to YanskiGaming inYoutube
Similar questions