pls solve ii) of question 10
x⁴+4x²+5
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Answered by
2
Answer:
A polynomial has no zeros when its discriminant D is less than zero.
Here, x
4
+4x
2
+5.
Then, D=b
2
−4ac
=4
2
−4×1×5
=16−20
=−4
<0
Thus, the polynomial x
4
+4x
2
+5 has no zeros.
Hence, the statement is true.
Therefore, the answer is 1.
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