7/10 is 0.7 as a fraction
Answer:
1175/954 there your answer
Answer:
see explanation
Step-by-step explanation:
Given
f(x) = x² - p(x + 1) - c
= x² - px - p - c ← in standard form
with a = 1, b = - p and c = - p - c
Given that α and β are the zeros of f(x), then
α + β = - and αβ = , thus
α + β = - = p , and
αβ = = - p - c
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(α + 1)(β + 1) ← expand factors
= αβ +α + β + 1 ← substitute values from above
= - p - c + p + 1
= - c + 1 = 1 - c ← as required
Answer:
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Step-by-step explanation:
The opposite of a power is a root.
The 5th power of 2 is 32 .
The 5th root of 32 is 2 .
The square of 5 is 25 .
The square root of 25 is 5 .