Question

4. Find the zero of the polynomial in each of the following cases.
() x) = x + 2 (i) f(x) = x - 2 (ii) f(x) = 2x + 3
(iv) f(x) = 2x - 3 (v) f(x) = x2 (vi) f(x) = px, p 0
(vii) f(x) = px +q, p 0, p q are real numbers.​

Answer 1

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Given polynomial f(x)=2x−3

We know that a polynomial is zero polynomial when f(x)=0

∴2x−3=0

Add 3 both side we get

2x−3+3=3

⇒2x=3

Divided by 2 both sides we get

x= 23

So value of x for zero polynomial is 23