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Questions Tagged with "algebra precalculus" (Page 6)

Explore solved questions tagged with "algebra precalculus" or help others by answering their unsolved questions related to "algebra precalculus".

Question About A Problem Involving Inequalities

1 answer

Mathematics Asked 3 years ago by Ethan Chan

Does there always exists coefficients $c,dinmathbb{R}$ s.t. $ax^3+bx^2+cx+d$ has three different real roots?

2 answer

Mathematics Asked 3 years ago by W2S

how to prove function is not invertible

1 answer

Mathematics Asked 3 years ago by deltaskelta

Find the roots of all cubics $f(x)$ given $f(2)=1$ and all roots are integral

1 answer

Mathematics Asked 3 years ago by jc5535

Given four real numbers $a,b,c,d$ so that $1leq aleq bleq cleq dleq 3$. Prove that $a^2+b^2+c^2+d^2leq ab+ac+ad+bc+bd+cd.$

1 answer

Mathematics Asked 3 years ago by user818748

The maximum value of the smaller root of given quadratic function

1 answer

Mathematics Asked 3 years ago by Mamta Kumari

Solving the system $b+c+d=4$, $ad+bc=-8$, $a+b=5$, $cd=-8$

2 answer

Mathematics Asked 3 years ago by Karagum

Using $frac{{{{sin }^4}x}}{2} + frac{{{{cos }^4}x}}{3} = frac{1}{5}$ finding the value of $frac{{{{sin }^8}x}}{8} + frac{{{{cos }^8}x}}{27}$

1 answer

Mathematics Asked 3 years ago by Samar Imam Zaidi

Rewrite rational function as the sum of a polynomial and partial fraction?

1 answer

Mathematics Asked 3 years ago by sabrinapat

prove the ratio of the line in the question

1 answer

Mathematics Asked 3 years ago by sniperking

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