6 Views PremiumSep 22, 2023
Do you know ... paper folding ...
2 Views
Pantun Melayu [Sorong papan tarik papan]
26 Views
Difference of 2 nonconsecutive triangular numbers
1 View
Show log b^n(x^m) = m/n logb(x)
Texas Tech: Find integral #7 ∫xsin(x^2) dx vs #5 ∫xsin^2(x) dx
2 ways: 𝖎𝖓𝖙𝖊𝖌𝖗𝖆𝖑 ∫3x/((x-2)(x+1)) dx
alternate way: count sum 1+2+3+ ... +n
3 Views
exp integral e^x (f(x) + f'(x)) dx
2 ways: integral ∫x/(x+a) dx
Review: Arithmetic Series a+(a+d)+(a+2d)+...+(a+(n-1)d)=
Conversion: Permutation - Combination vice versa
4 Views
UC Davis #16: Prove (fgh)'=f'gh+fg'h+fgh' [differentiation using the product rule]
The pth, qth, & rth terms of an AP are x,y,z respectively.
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Alternate way: trig integral ∫cos(x) dx
2nd Alternate: trig integral ∫cos(x) dx
UC Davis#2: 2nd way integral ∫(2x+3)/(x^2-9) dx [integration by partial fraction]
logic: Simplify the Boolean function F=XYZ+XY'Z+XYZ'
UC Davis #6: ∫ (2+tan(x))^2 dx
Alternate way: trig integral ∫sin(x) dx
3rd/3ways: exp Derivative x^x