Question

3. Find the value of k for which the equation k x (x-2)+ 6 = 0 has equal roots​

Answer 1

Step-by-step explanation:

ax^2+bx+c have equal roots if ∆=o i.e b^2=4ac.

so in question kx^2-2kx+6=o.,∆=o,

so by doing this.4k^2=4×k×6,

k^2=6k,k(k-6)=o so value of k is o or 6,