If one root of the quadratic equation 2x2+ax−6=0 is 2, find the value of a.
True
False
5
-5
Since, x = 2 is a root of the given equation 2x2+ax−6=0
→ 2(2)2+a×2−6=0
8+2a−6=0
2a=−2
a=−1
if one root of the quadratic equation is 2x2+ kx-6=0 is 2,find the value of k.also find the other root
If one root of the quadratic equation 2x2+kx−6=0 is 2, then the value of k is