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Verify whether the following zeroes of the polynomial, indicated against them. p(x) = lx + m, x = – m/l - Mathematics

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Verify whether the following zeroes of the polynomial, indicated against them.

p(x) = lx + m, `x = – m/l`

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Solution

If `x = -m/l` is a zero of polynomial p(x) = lx + m, then `p(-m/l)` should be 0.

Here, `p(-m/l) = l(-m/l)+m=-m+m=0`

Therefore, `x = -m/l` is a zero of the given polynomial.

Concept: Zeroes of a Polynomial
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APPEARS IN

NCERT Class 9 Maths
Chapter 2 Polynomials
Exercise 2.2 | Q 3.6 | Page 35

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