A) rational numbers
B) irrational numbers
C) one rational, other irrational
D) None of the above
Correct Answer: A
Solution :
[a] Product of zeroes = 7 |
\[\Rightarrow \,\,\,\,\,\,\,\,\,\,2{{k}^{2}}-1=7\,\,\Rightarrow \,\,2{{k}^{2}}=8\] |
\[\Rightarrow \,\,\,\,\,\,\,\,\,\,{{k}^{2}}=4\Rightarrow \,\,\,k=\pm 2\] |
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