Question

X^2+1 has no real zeroes why?

Answer 1

For example, z2+1 has no real zeros (because its two zeros are not real numbers). x2−2 has no rational zeros (its two zeros are irrational numbers). Finally, the complex zeros of a polynomial with real coefficients come in conjugate pairs (that is, if a+bi is a zero, then so is a−bi).

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Answer 2

Step-by-step explanation:

X²+1 has no real zeroes as:

Reason:-

• The second factor is 0x ie alpha + beta is zero.
• So that means alpha = -beta
• But alpha × beta is 1.
• Hence condition not satisfied.
• Also, D is less than zero ie

b²-4ac <0

Because 0-4 is -4

Hence less than zero.