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Quickie: Find the value of √((470+160)(470-160) +2560)
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Alternate way: Find 1+2+3+... +(n-1)+n via "polynomial degree 2"
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CBSE 2000 Hindustan: integral (1+tan(x))/(x+log(sec(x)) dx
10 Views
MPPET 1996 Hindustan: trig integral ∫ sin^2(x) -cos^2(x)/(sin^2(x) cos^2(x)) dx
16 Views
RPET 2003 Hindustan: integral ∫sin^4(x)-cos^4(x) dx
15 Views
2nd way: integral ∫ log √x(x^n) dx
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2 ways: log derivative log3(x)
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2nd way: Express (4x-17)/((x+4)(2x-3)) in partial fractions via
sq root log derivative √ ln(f(x))
4 ways: exp integral ∫a^(bx+c) dx
3 ways: Derivative y=x^(m/n)
expon directive a^f(x)
Cancellation Law ❌ Matrices
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A bag contains 20 identical red marbles, 20 identical green marbles, & 20 identical blue marbles.
3 Views
3 picture views of the sum ... 1+2+3+...+n
2 ways: integral (3+5x)/(x(x-1)) dx
"baby" fact: exp even odd e^x
7 Views
Review Add Math: 1.1/parts: Show a^m a^n = a^(m+n) where m & n are any 2 positive integers
Always ZERO
Derivative 1) tanh(ln(x)) 2) (x^2-1)/(x^2+1)