examples 2x2 matrix withOUT an inverse

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MP 8,93,96,97,99 Hindustan: Evaluate ∫ sec(x)/(sec(x)-tan(x)) dx

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1st/3parts: Checkpoint 1.1 STPM Math T Sem2

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2nd way: derivative (x^x)^x

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Prove Σ1/((k-1)(k+1))=(3n^2-n-2)/(4n(n+1)) where k=2 to n ∀n ≥ 2

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A cubical die, numbered 1 to 6 is weighted so that a six is twice as likely to occur as any other #.

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2nd part/3parts: Mean of -11,-2,7,...,70 SAME as Mean -11 & 70

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1st/2 parts stat: SLR ∑ŷk = ∑yk where k=1,n

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1st way: Differentiate the function w.r.t x log10(x)+logx(10)+logx(x)+log10(10)

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Lamar U: Derivatives of Exponential & Log Functions Practice Problems.

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2nd/2 ways: FInd partial fractions (3x^2+9x-20)/(x^2+x-6)

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4 ways: Evaluate Σ(2k+1) k=1,20

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Screen Recording 2024-05-10 at 5.37.05 PM

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trig integral ∫sin(x) cos(x) cos(2x) cos(4x) cos(8x) cos(16x) cos(32x) dx

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2 ways: derivative Find dy/dx, where tan(x+y)+tan(x-y)=1

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2nd way: trig integral ∫1/(cos^2(x) - sin^2(x)) dx

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How many chords can be drawn through 21 points on a circle?

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derivative differentiate x^sin(x) + (sin(x))^cos(x)

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3ways: Find a formula for the sum 2+4+6+...+2n

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trig integral ∫cos^4(x)/sin^8(x) dx

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