Math, asked by cgkadam02, 10 months ago

If the equation 4x2 - kx + 9 = 0 has real & equal roots, then the value of k ...... *

1) 6
2)12
3)6 or -6
4)12 or -12

Answers

Answered by aryan1234243

1

Step-by-step explanation:

use the formula b²-4ac=0

k²-4x4x9

k²-16x9

k²=144

k±12 OK friend options d is correct ok

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