Maths Integrals part 11 (Example: Integration by Substitution) CBSE class 12 Mathematics XII

Maths Integrals part 11 (Example: Integration by Substitution) CBSE class 12 Mathematics XII

[meburhan]

In the last example x/e^x2 where did this -1 came for (um talking about the step which is just before the answer)

[philipjohn]

can we put log e to the power of t instead of e to the power of -1

[meburhan]

can u plz explain....it will be your most kindness

[raghu]

can u plz expln how is it 3x square dx

[crazzyrdheart]

∫ sin^4x dx ? :/ and
∫ cos^2 (4x+1) dx