Question

Equation of (x+1)²-x²=0 has number of real roots equal to: (a)1. (b)2 (c)3. (d)4

Answer 1

We know that the degree of polynomial is the number of roots......

(x+1)²-x²=0

x²+2x+1-x²=0

2x+1=0

x=-1/2

So, degree of 2x+1 is 1........So, number of zero is 1.

Answer 2

Explanation:

Number of zeros=1

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