Question

For a given value of k, the product of the zeroes of x2 - 3kx + 2k2 - 1 is 7, then zeroes are


rational number

irrational number

one rational other irrational

none of these

Answer 1

7^2-3*k*7 +2k2-1=49-7k-21k+4k-1=48-24k=0. k=0