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A=[5k,3k-1;-3,k+1] where k is a real constant. Given that A is singular, find all the possible values of k.

0.2, -3
DB
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How to explain a demand and supply graph for a certain good or service

Assuming that all the goods in the market are identical, thus sold for the same price, that the information is freely accessible to everyone and that every other factor, a part from supply and demand, remain...
GC
Answered by Giorgio C. • Economics tutor
3321 Views

How to use and conjugate the perfect tense.

The perfect tense is used frequently in both English and Spanish to express completed actions in the past. It is formed with the auxillary verb "to have" and the past participle of the verb that ha...
GM
Answered by Georgia M. • Spanish tutor
2428 Views

Examine the flying theme from ET by John Williams and highlight how this piece represents flight.

The flying theme from ET shows flight through the ascending motif, first raising by a 5th in bar 8, then an octave in bar 10 and finally a minor 6th in bar 12. The use of the major key also highlights the ha...
CS
Answered by Caitlin S. • Music tutor
17942 Views

How are the themes of Love and Tragedy linked in Shakespeare's play ''Romeo and Juliet?''

TOP TIP! P- Point E - Evidence E - Explain Z - Zoom L- Language Shakespeare introduces the theme of tragic love through the characters of Romeo and Juliet. He referes to the couple as a pair of ''star-cross'...
AM
Answered by Aqsa M. • English tutor
7954 Views