diff --git a/app/sem1/em1/content/chapter1.tsx b/app/sem1/em1/content/chapter1.tsx
index 063d4ad..e06a282 100644
--- a/app/sem1/em1/content/chapter1.tsx
+++ b/app/sem1/em1/content/chapter1.tsx
@@ -134,7 +134,6 @@ export const Ch1Content = () => {
           </li>
         </ul>
 
-
         <img src="/sem1/em1/em1_04.png" alt="curvature graph diagram" className="w-full my-4" />
 
       </section>
diff --git a/app/sem1/em1/content/chapter4.tsx b/app/sem1/em1/content/chapter4.tsx
index dcac734..413d3e5 100644
--- a/app/sem1/em1/content/chapter4.tsx
+++ b/app/sem1/em1/content/chapter4.tsx
@@ -32,7 +32,7 @@ export const Ch4Content = () => {
           </li>
         </ul>
 
-        <p className="p-text">Diagram: <strong>laplace-transform-idea.png</strong></p>
+       <img src="/sem1/em1/em1_10.png" alt="Laplace transform diagram" className="w-full my-4" />
       </section>
 
       <hr className="my-6 border-[#c7a669] opacity-40" />
@@ -120,7 +120,7 @@ export const Ch4Content = () => {
 
         </ul>
 
-        <p className="p-text">Diagram: <strong>laplace-solve-ode.png</strong></p>
+        <img src="/sem1/em1/em1_11.png" alt="Laplace transform solving ODE diagram" className="w-full my-4" />
       </section>
 
     </div>
diff --git a/public/sem1/em1/em1_10.png b/public/sem1/em1/em1_10.png
new file mode 100644
index 0000000..f2f22a6
Binary files /dev/null and b/public/sem1/em1/em1_10.png differ
diff --git a/public/sem1/em1/em1_11.png b/public/sem1/em1/em1_11.png
new file mode 100644
index 0000000..156b921
Binary files /dev/null and b/public/sem1/em1/em1_11.png differ