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When should I use the subjunctive?

In Spanish, there are 3 modes: indicative, subjunctive and imperative. We are going to be looking the first two of these. The indicative is probably the mode that you are most familiar with, and is used f...

KL
Answered by Kyra L. Spanish tutor
1816 Views

Prove by induction that, for n ∈ Z⁺ , [3 , -2 ; 2 , -1]ⁿ = [2n+1 , -2n ; 2n , 1-2n]

STEP 1: Prove that the theorem holds for n = 1. Substitute n = 1 into the equation and show that the LHS = RHS.
STEP 2: Assume that the relation is true when n = k.
STEP 3: Prove that the relat...

FT
Answered by Flavia T. Maths tutor
5513 Views

A particle P of mass 2 kg is held at rest in equilibrium on a rough plan. The plane is inclined to the horizontal at an angle of 20°. Find the coefficient of friction between P and the plane.

For any mechanics question such as this one the best way to start off is by drawing a diagram of the system and including all the forces acting on the pa...

FB
Answered by Fernando B. Maths tutor
6029 Views

Der Vorleser Frage- “Michaels Beziehung mit Hanna hat sein ganzes Leben bestimmt”Inwiefern ist das auch deine Meinung?

Im Buch „Der Vorleser“ von Bernhard Schlink geht es um die Beziehung zwischen Michael und Hanna, einem 15-jährigen Jungen und einer 36-jährigen Frau. Diese Affäre hat eine bedeutende Auswirkung au...

RK
Answered by Roman K. German tutor
11677 Views

How is systems theory approach applied to the hydrological cycle?

The hydrological cycle can be understood through a systems approach. Systems are bounded and have inputs, outputs and throughputs. The global hydrological cycle is a closed system driven by solar energy a...

CH
5003 Views

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