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If (p(x)=x^2-8x+15), what is the sum of squares of its zeroes?
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Answer and explanation
Correct answer: (34)
If the zeroes are (\alpha,\beta), then (\alpha+\beta=8) and (\alpha\beta=15). (\alpha^2+\beta^2=(\alpha+\beta)^2-2\alpha\beta=64-30=34).
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What is the correct answer to this question?
(34)
Why is this the correct answer?
If the zeroes are (\alpha,\beta), then (\alpha+\beta=8) and (\alpha\beta=15). (\alpha^2+\beta^2=(\alpha+\beta)^2-2\alpha\beta=64-30=34).
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Polynomials in one variable.
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