4 Answered Questions for the topic #thankyou

08/04/18

Find the general solution to each equation, leaving answers in radian form: i) sqrt2sin2theta + 1 = 0 & ii) cos4x + cos2x = 0
The answer to both are: i) (n x Pi)/2 + (-1)^n x ((5 x Pi)/8)  ii) n x Pi +- Pi/6 or n x Pi +- Pi/2 I’d greatly appreciate of you explained what ‘n’ is and explain how to answer the steps you... more
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#thankyou

07/29/18

For what values of k does the quadratic equation (k+3)x^2 + 4x + k = 0 have no real roots.
Please state and show how to answer the question and explain how to do it, thank you! :)
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#thankyou

07/29/18

Show that the roots of the equation x^2 - (k+1)x + (k-2) = 0 are distinct and real for all values of k.
Please clearly show and state how to answer the question and explain what to do, thank you! :)
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07/24/18

Given A(2,3) and B(7,-4), find the coordinates of P such that AP/PB = 2/5.
Hi! Please clearly write out and explain how I am meant to answer this, it would be greatly appreciated. Also please use the “Division of an interval in a given ratio” if possible :)
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Expert Answers •1

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