1.

If 4a²x²-4abcx+k=0 has equal roots, then find the value of k.

Answer»

Step-by-step EXPLANATION:

LET the roots be X and y

now x+y=abc

2x=abc

x=abc/2

now

x^2=k/4a^2

(abc)^2/4=k/4a^2

k=a^4(bc)^2



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