Question

If a and b are 0of the polynomial 2x²+3x+4the find the value of a²+b²

Answer 1

Answer:

-7/4

Step-by-step explanation:

sum of zeros = a+b = -3/2

product of zeros = ab = 4/2 = 2

$(a+b)^2 = a^2 + b^2 + 2ab\\9/4 = a^2 + b^2 + 4\\a^2 + b^2 = -7/4$