Question

Plz tell the ans. of 4th one. ​

Answer 1

Answer:5x^2 - 3x - 2=0

5x^2 - 5x + 2x - 2=0

(5x+2)(x - 1)=0

so x = 1 or -2/5

then sum of square of roots = 1^2 + (-2/5)^2 = 1 + 4/25 = 29/25.

and sum of reciprocals of rootsis

= 1/1 + (-5/2) = 1 - 5/2 = -3/2.

Step-by-step explanation: