Question

Q. Which of the following is a quadratic
equation
(a) x^2+2x-1=(4-x)^2+3
(b) (k+1)x^2+3/2x=7 where k=1
(c) -2x^2=(5-x)(2x-2/5)
(d) x^3-x^2= (x-1)^3​

Answer 1

Answer:

किस सवाल का उत्तर दे।।।।।

Answer 2

Step-by-step explanation:

c is the answer

-2x^2=(5-x)(2x-2/5)