NCERT Ex 2.2 Q3 - Polynomials
Question: Verify whether the following are zeroes of the polynomial, indicated against them: (i) p(x) = 3x + 1, x = -1/3 (ii) p(x) = 5x - π, x = 4/5 (iii) p(x) = x^2 - 1, x = 1, -1 (iv) p(x) = (x + 1)(x - 2), x = -1, 2 (v) p(x) = x^2, x = 0 (vi) p(x) = lx + m, x = -m/l (vii) p(x) = 3x^2 - 1, x = -1/sqrt(3), 2/sqrt(3) (viii) p(x) = 2x + 1, x = 1/2
Answer: (i) Yes, (ii) No, (iii) Yes, (iv) Yes, (v) Yes, (vi) Yes, (vii) -1/√3 is, 2/√3 is not, (viii) No
Full step-by-step NCERT solution with diagrams on Something by Zero.