Find the value of k for which quadratic polynomial 9x²-3kx+k has equal zeroes.
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Answered by
0
Answer:
(C) 0.75 M
(0) 0.25 M
100 MH,SO, solution is mixed with 100 ml of 9.8 % (w/w) H,50, solution (d = 1 g/m, then
Al concentration of solution remains same
volume of solution become 200 ml
Il mass of H So, in the solution is 98 g
o mass of 1,50. In the solution is 19.68
Answered by
5
Answer:
Since the equation 9x^-3kx+k =0 has equal roots.
:. (3k)^-4×9×k=0
=>9k^-36k=0
=>9k(k-4)=0
=>k-4=0
=>k=4
Hope it helps.
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