Find the sum and product of the roots of the equation 2x^2+3x-5=0

We know that for equation ax^2+bx+c=0
a = 2,b = 3,c = -5
If the roots x1 and x2 are real numbers:
x1 + x2 = -b/a = -3/2
x1*x2 = c/a = -5/2

PG

Related Maths A Level answers

All answers ▸

If n is an integer prove (n+3)^(2)-n^(2) is never even.


Find the general solution of the equation tan(2x + pi/2) = SQRT(3), giving your answer for x in terms of π in a simplified form.


Differentiate f(x) = 2xlnx.


Differentiate with respect to x: i) y=x^3ln(2x) ii) y=(x+sin(2x))^3