Question

2. In each of the following, determine whether the given
values are roots of the given quadratic equation or not :
(i) 3x2 - 2x – 1=0; x = 1
5
(ii) 3.r- 2x - 5 = 0; x = 1,x=
?
3
(iii) x2 + 2x - 4 = 0; x = 73, x=-222
(iv) V7x2 - 6x -1317 = 0; x = -57,x=13
(v) x+-=
1 13
X 6
=
5 4
х
6 3
=
b b
(vi) ar? - 3abx +262 = 0; x = =
(vii) 1/2
b
5 25
-10
+- x + =0; x =
9 81
9
4
cu​

Answer 1

Answer:

itna lamba question hai nahi maloom hai bhai ya behn