for what value of “ k ” will the equation ( 2 kx 2 + 5 kx + 2 ) = 0 have equal roots ?
for a 2 nd degree equation ax 2 + bx _ c = 0 has equal roots the condition is b 2 - 4 ac = 0 in the given equation ( 5 k ) ^ 2 - 4 * 2 k * 2 = 0 by solving this equation we get k = 0 , k = 16 / 25 answer : c
divide(multiply(multiply(multiply(2, 2), 2), 2), multiply(5, 5))