x2 +1 has no real zeroes. Why? explain briefly
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We know that , x^2 + 1 = 0
x^2+1=0
x^2 = -1
but square of a number can never be negative
so, x^2 + 1 has no real zeroes
x^2+1=0
x^2 = -1
but square of a number can never be negative
so, x^2 + 1 has no real zeroes
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