Question

If 2 and -2 are zeroes of the polynomial p(x) = ax⁴+2x³- 3x²+ bx-4
values of a and b.​

Answer 1

Answer:

if x = 2 then

16a+16-12+2b-4

16a+2b=0. equation 1

if x = -2 then

16a-16-12-2b-4

16a-2b=32. equation 2

then eq.2 add with eq 1

16a +2b+16a -2b =32+0

32a =32

a=1

then value of a put in eq 1

16(1) + 2b =0

B=-16/2

B =-8

Answer 2

h357:(to the years ago)$58379