Question

*(√19−4)(√19+4) का मान क्या है?*

1️⃣ 3
2️⃣ √3
3️⃣ 5
4️⃣ √197​

Answer 1

Answer:

1. 3

Step-by-step explanation:

................

Answer 2

Answer:

3 is the correct option .

Step-by-step explanation:

( √19 - 4 ) ( √ 19 + 4 )

19 + 4√19 - 4√19 - 16

19 - 16

3