Question

If x= V2 is a solution of k x2 + root2x - 4 = 0 then find the value of k.​

Answer 1

Answer:

Step-by-step explanation:

short method:

Put value of x =√2 which is the solution/root of

kx^2 + (√2)x -4

-->k(√2)^2 + (√2)√2 -4 = 0

-->k(2) + 2 -4 =0

-->2k = 4-2

-->2k=2

-->k=1