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index e69de29..d75c244 100644
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+++ b/.obsidian/workspace.json
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\ No newline at end of file
diff --git a/AMiAL/Ćwiczenia/Zadania/Całki/1.md b/AMiAL/Ćwiczenia/Zadania/Całki/1.md
new file mode 100644
index 0000000..3633d63
--- /dev/null
+++ b/AMiAL/Ćwiczenia/Zadania/Całki/1.md
@@ -0,0 +1,5 @@
+9.
+$$\int x\sqrt{x}\ dx=
+\int x^{\frac{3}{2}}dx= \frac{x^{\frac{5}{2}}}{\frac{5}{2}}+c=\frac{2x^{\frac{5}{2}}}{5}+c$$
+18.
+$$\int (4^{x}+2^{-x})dx=\frac{4x}{\ln 4}+ \int (\frac{1}{2})^{x}dx=\frac{4^{x}}{\ln 4}+\frac{(\frac{1}{2})^{x}}{\ln \frac{1}{2}}+c$$
\ No newline at end of file