Question

14. Which of the following is the value of (√11-√7)(√11+√7) (a)-4 (b) 4 (c) √11 (d) √7​

Answer 1

Answer:

4 is your answer

Step-by-step explanation:

the question is in the form of (a+b)(a-b)=a^2-b^2

√11^2-√7^2=11-7=4