Question

find the value of a for which the quadratice
equation 4y2-3ay+1=0 has equal roots.​

Answer 1

Answer:

for equal roots

D=0

b^2 - 4ac = 0

(3a)^2 - 4(4×1) = 0

9a2 - 16 - 4 = 0

9a2 - 20 = 0

a2 = 20/9

a = 2 root 5/3