If (p(x)=x^4-625), what are the real (x)-axis intersections?
Answer and explanation
Correct answer: ((-5,0)) and ((5,0))
(x^4-625=(x^2-25)(x^2+25)), and the real zeroes are only (\pm5). Tip: (x^2+25) gives no real zero.
Frequently asked questions
What is the correct answer to this question?
((-5,0)) and ((5,0))
Why is this the correct answer?
(x^4-625=(x^2-25)(x^2+25)), and the real zeroes are only (\pm5). Tip: (x^2+25) gives no real zero.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Geometrical meaning of the zeroes of a polynomial..
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