Question

find zeroes of polynomial p(x)=xpower of 4-16
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Answer 1

Answer:

x⁴ - 16

(x² + 4)(x² - 4). { a² - b² = (a + b)(a - b) }

(x² + 4)(x - 2)(x + 2). { x² - 4 = (x + 2)(x - 2) }

So, roots of equation are -2,+2