find the value of α such that the quadratic equation (α-3)xsquare + 4(α-3)x + 4=0 has equal roots
Answers
Answered by
28
if roots are equal then D=0
16(a-3)^2-4(a-3)(4)=0
(a-3)[16(a-3) - 16]=0
(a-3)(16a-48-16)=0
so either a-3=0 ; a=3
or 16a -64=0 ; a=4
16(a-3)^2-4(a-3)(4)=0
(a-3)[16(a-3) - 16]=0
(a-3)(16a-48-16)=0
so either a-3=0 ; a=3
or 16a -64=0 ; a=4
hardiksoni16289:
it is Alpha not a
please also solve the question of motor boat
which one?
A motor boat whose speed in still water is 15km/h goes 40km downstream and comes back in a total time of 6 hours find the speed of tge stream
post it in timeline nd i give ans
nd plz mark them as brainliest ans
i am already posted
okk
fast
Answered by
0
Answer:
alpha=3,4
Step-by-step explanation:
hope it helps
Attachments:
Similar questions