Question

please tell answer in step by step? ​

Answer 1

Answer:

k is equal to 6 is the answer

Answer 2

Step-by-step explanation:

given,

quadratic equations is 2x²+kx -6=0

one root is 2

f(2)=0

=>2(2)²+k(2)-6=0

=>8 +2k -6 =0

=>2k +2=0

=>2k=2

=>k =2/2

=>k=1

=>k+1=1+1=0