NDA Government Jobs Exams

(x + 1)^2 – 1 = 0 has
(a) one real root (b) two real roots (c) two imaginary roots (d) four real roots

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NDA Other Question

If the numbers n – 3, 4n – 2, 5n + 1 are in AP, what is the value of n ?
(a) 1 (b) 2 (c) 3 (d) 4 (x + 1)3^ – 1 = 0 has
(a) one real root (b) two real roots (c) two imaginary roots (d) four real roots