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The subjunctive is used in situations of disblief, desire, fear, or regret and uses certain expressions such as 'Il faut que' or 'J'ai peur que'. The verbs can be in different tenses, such as present, or ...
A common mistake made amongst all learners of Spanish but with a little practice it can be easily avoided.
saber - to know a fact/thing/skill
'Ella ...
C1, C2, C3, C4
D1
FP1, FP2, FP3
M1, M2
S1, S2
First you must show that the statement on the right hand side is true for n=1:Σi=0 i2 when n=1, is equal to 12=1(1/6)(1+1)(1+2)=(1/6)(2)(3)=1This means t...
To differentiate Xa, where a is any real number, you multiply X by a, and subtract 1 from the power.i.e. d(Xa)/dX=aXa-1
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